diff --git a/commitlint.config.js b/commitlint.config.js
new file mode 100644
index 000000000..28fe5c5bf
--- /dev/null
+++ b/commitlint.config.js
@@ -0,0 +1 @@
+module.exports = {extends: ['@commitlint/config-conventional']}
diff --git a/package-lock.json b/package-lock.json
index bb2760cb1..e5fc63c13 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -869,6 +869,817 @@
         "to-fast-properties": "^2.0.0"
       }
     },
+    "@commitlint/cli": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@commitlint/cli/-/cli-8.0.0.tgz",
+      "integrity": "sha512-wFu+g9v73I2rMRTv27ItIbcrhWqge0ZpUNUIJ9fw8TF7XpmhaUFvGqa2kU6st1F0TyEOrq5ZMzwI8kQZNVLuXg==",
+      "dev": true,
+      "requires": {
+        "@commitlint/format": "^8.0.0",
+        "@commitlint/lint": "^8.0.0",
+        "@commitlint/load": "^8.0.0",
+        "@commitlint/read": "^8.0.0",
+        "babel-polyfill": "6.26.0",
+        "chalk": "2.3.1",
+        "get-stdin": "7.0.0",
+        "lodash": "4.17.11",
+        "meow": "5.0.0",
+        "resolve-from": "5.0.0",
+        "resolve-global": "1.0.0"
+      },
+      "dependencies": {
+        "camelcase": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
+          "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
+          "dev": true
+        },
+        "camelcase-keys": {
+          "version": "4.2.0",
+          "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-4.2.0.tgz",
+          "integrity": "sha1-oqpfsa9oh1glnDLBQUJteJI7m3c=",
+          "dev": true,
+          "requires": {
+            "camelcase": "^4.1.0",
+            "map-obj": "^2.0.0",
+            "quick-lru": "^1.0.0"
+          }
+        },
+        "chalk": {
+          "version": "2.3.1",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.3.1.tgz",
+          "integrity": "sha512-QUU4ofkDoMIVO7hcx1iPTISs88wsO8jA92RQIm4JAwZvFGGAV2hSAA1NX7oVj2Ej2Q6NDTcRDjPTFrMCRZoJ6g==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.0",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.2.0"
+          }
+        },
+        "find-up": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
+          "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
+          "dev": true,
+          "requires": {
+            "locate-path": "^2.0.0"
+          }
+        },
+        "load-json-file": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-4.0.0.tgz",
+          "integrity": "sha1-L19Fq5HjMhYjT9U62rZo607AmTs=",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "parse-json": "^4.0.0",
+            "pify": "^3.0.0",
+            "strip-bom": "^3.0.0"
+          }
+        },
+        "locate-path": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-2.0.0.tgz",
+          "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
+          "dev": true,
+          "requires": {
+            "p-locate": "^2.0.0",
+            "path-exists": "^3.0.0"
+          }
+        },
+        "map-obj": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/map-obj/-/map-obj-2.0.0.tgz",
+          "integrity": "sha1-plzSkIepJZi4eRJXpSPgISIqwfk=",
+          "dev": true
+        },
+        "meow": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/meow/-/meow-5.0.0.tgz",
+          "integrity": "sha512-CbTqYU17ABaLefO8vCU153ZZlprKYWDljcndKKDCFcYQITzWCXZAVk4QMFZPgvzrnUQ3uItnIE/LoUOwrT15Ig==",
+          "dev": true,
+          "requires": {
+            "camelcase-keys": "^4.0.0",
+            "decamelize-keys": "^1.0.0",
+            "loud-rejection": "^1.0.0",
+            "minimist-options": "^3.0.1",
+            "normalize-package-data": "^2.3.4",
+            "read-pkg-up": "^3.0.0",
+            "redent": "^2.0.0",
+            "trim-newlines": "^2.0.0",
+            "yargs-parser": "^10.0.0"
+          }
+        },
+        "p-limit": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.3.0.tgz",
+          "integrity": "sha512-vvcXsLAJ9Dr5rQOPk7toZQZJApBl2K4J6dANSsEuh6QI41JYcsS/qhTGa9ErIUUgK3WNQoJYvylxvjqmiqEA9Q==",
+          "dev": true,
+          "requires": {
+            "p-try": "^1.0.0"
+          }
+        },
+        "p-locate": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-2.0.0.tgz",
+          "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
+          "dev": true,
+          "requires": {
+            "p-limit": "^1.1.0"
+          }
+        },
+        "p-try": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/p-try/-/p-try-1.0.0.tgz",
+          "integrity": "sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M=",
+          "dev": true
+        },
+        "path-type": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/path-type/-/path-type-3.0.0.tgz",
+          "integrity": "sha512-T2ZUsdZFHgA3u4e5PfPbjd7HDDpxPnQb5jN0SrDsjNSuVXHJqtwTnWqG0B1jZrgmJ/7lj1EmVIByWt1gxGkWvg==",
+          "dev": true,
+          "requires": {
+            "pify": "^3.0.0"
+          }
+        },
+        "pify": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
+          "dev": true
+        },
+        "read-pkg": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-3.0.0.tgz",
+          "integrity": "sha1-nLxoaXj+5l0WwA4rGcI3/Pbjg4k=",
+          "dev": true,
+          "requires": {
+            "load-json-file": "^4.0.0",
+            "normalize-package-data": "^2.3.2",
+            "path-type": "^3.0.0"
+          }
+        },
+        "read-pkg-up": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-3.0.0.tgz",
+          "integrity": "sha1-PtSWaF26D4/hGNBpHcUfSh/5bwc=",
+          "dev": true,
+          "requires": {
+            "find-up": "^2.0.0",
+            "read-pkg": "^3.0.0"
+          }
+        },
+        "redent": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/redent/-/redent-2.0.0.tgz",
+          "integrity": "sha1-wbIAe0LVfrE4kHmzyDM2OdXhzKo=",
+          "dev": true,
+          "requires": {
+            "indent-string": "^3.0.0",
+            "strip-indent": "^2.0.0"
+          }
+        },
+        "resolve-from": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-5.0.0.tgz",
+          "integrity": "sha512-qYg9KP24dD5qka9J47d0aVky0N+b4fTU89LN9iDnjB5waksiC49rvMB0PrUJQGoTmH50XPiqOvAjDfaijGxYZw==",
+          "dev": true
+        },
+        "strip-bom": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
+          "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
+          "dev": true
+        },
+        "strip-indent": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/strip-indent/-/strip-indent-2.0.0.tgz",
+          "integrity": "sha1-XvjbKV0B5u1sv3qrlpmNeCJSe2g=",
+          "dev": true
+        },
+        "trim-newlines": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/trim-newlines/-/trim-newlines-2.0.0.tgz",
+          "integrity": "sha1-tAPQuRvlDDMd/EuC7s6yLD3hbSA=",
+          "dev": true
+        },
+        "yargs-parser": {
+          "version": "10.1.0",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-10.1.0.tgz",
+          "integrity": "sha512-VCIyR1wJoEBZUqk5PA+oOBF6ypbwh5aNB3I50guxAL/quggdfs4TtNHQrSazFA3fYZ+tEqfs0zIGlv0c/rgjbQ==",
+          "dev": true,
+          "requires": {
+            "camelcase": "^4.1.0"
+          }
+        }
+      }
+    },
+    "@commitlint/config-conventional": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@commitlint/config-conventional/-/config-conventional-8.0.0.tgz",
+      "integrity": "sha512-umg1irroowOV+x8oZPBw8woCogZO5MFKUYQq+fRZvhowoSwDHXYILP3ETcdHUgvytw/K/a8Xvu7iCypK6oZQ+g==",
+      "dev": true
+    },
+    "@commitlint/ensure": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@commitlint/ensure/-/ensure-8.0.0.tgz",
+      "integrity": "sha512-rhBO79L9vXeb26JU+14cxZQq46KyyVqlo31C33VIe7oJndUtWrDhZTvMjJeB1pdXh4EU4XWdMo+yzBmuypFgig==",
+      "dev": true,
+      "requires": {
+        "lodash": "4.17.11"
+      }
+    },
+    "@commitlint/execute-rule": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@commitlint/execute-rule/-/execute-rule-8.0.0.tgz",
+      "integrity": "sha512-E/A2xHqx3syclXAFl8vJY2o/+xtL9axrqbFFF42Bzke+Eflf0mOJviPxDodu2xP0wXMRQ9UokAi/reK9dMtA/A==",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "6.26.0"
+      }
+    },
+    "@commitlint/format": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@commitlint/format/-/format-8.0.0.tgz",
+      "integrity": "sha512-dFxKGLp1T4obi7+YZ2NcSAebJA/dBQwnerRJGz0hWtsO6pheJRe+qC50+GCb2fYGWUc5lIWawaRts0m7RkFGUw==",
+      "dev": true,
+      "requires": {
+        "chalk": "^2.0.1"
+      }
+    },
+    "@commitlint/is-ignored": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@commitlint/is-ignored/-/is-ignored-8.0.0.tgz",
+      "integrity": "sha512-geWr/NXGMrZ3qc3exDM+S1qV+nMDxp1LwN3rLpEN2gXTwW3rIXq49RQQUkn0n3BHcpqJJ9EBhjqFoMU1TYx7Ng==",
+      "dev": true,
+      "requires": {
+        "semver": "6.0.0"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.0.0.tgz",
+          "integrity": "sha512-0UewU+9rFapKFnlbirLi3byoOuhrSsli/z/ihNnvM24vgF+8sNBiI1LZPBSH9wJKUwaUbw+s3hToDLCXkrghrQ==",
+          "dev": true
+        }
+      }
+    },
+    "@commitlint/lint": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@commitlint/lint/-/lint-8.0.0.tgz",
+      "integrity": "sha512-5nKiJpBDR2iei+fre4+6M7FUrSX1cIMoxXKdrnb1GMOXkw9CsZSF5OvdrX08zHAFmOAeDaohoCV+XN/UN/vWYg==",
+      "dev": true,
+      "requires": {
+        "@commitlint/is-ignored": "^8.0.0",
+        "@commitlint/parse": "^8.0.0",
+        "@commitlint/rules": "^8.0.0",
+        "babel-runtime": "^6.23.0",
+        "lodash": "4.17.11"
+      }
+    },
+    "@commitlint/load": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@commitlint/load/-/load-8.0.0.tgz",
+      "integrity": "sha512-JXC3YjO7hN7Rv2Z/SaYz+oIvShsQWLL7gnOCe8+YgI1EusBqjV4mPI0HnBXVe9volfdxbl+Af/GoQZs2dvyOFA==",
+      "dev": true,
+      "requires": {
+        "@commitlint/execute-rule": "^8.0.0",
+        "@commitlint/resolve-extends": "^8.0.0",
+        "babel-runtime": "^6.23.0",
+        "cosmiconfig": "^5.2.0",
+        "lodash": "4.17.11",
+        "resolve-from": "^5.0.0"
+      },
+      "dependencies": {
+        "resolve-from": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-5.0.0.tgz",
+          "integrity": "sha512-qYg9KP24dD5qka9J47d0aVky0N+b4fTU89LN9iDnjB5waksiC49rvMB0PrUJQGoTmH50XPiqOvAjDfaijGxYZw==",
+          "dev": true
+        }
+      }
+    },
+    "@commitlint/message": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@commitlint/message/-/message-8.0.0.tgz",
+      "integrity": "sha512-2oGUV8630nzsj17t6akq3mFguzWePADO069IwKJi+CN5L0YRBQj9zGRCB0P+zvh4EngjqMnuMwhEhaBEM8TTzA==",
+      "dev": true
+    },
+    "@commitlint/parse": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@commitlint/parse/-/parse-8.0.0.tgz",
+      "integrity": "sha512-6CyweJrBkI+Jqx7qkpYgVx2muBMoUZAZHWhUTgqHIDDmI+3d4UPZ2plGS2G0969KkHCgjtlwnwTjWqA9HLMwPA==",
+      "dev": true,
+      "requires": {
+        "conventional-changelog-angular": "^1.3.3",
+        "conventional-commits-parser": "^2.1.0",
+        "lodash": "^4.17.11"
+      },
+      "dependencies": {
+        "camelcase": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
+          "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
+          "dev": true
+        },
+        "camelcase-keys": {
+          "version": "4.2.0",
+          "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-4.2.0.tgz",
+          "integrity": "sha1-oqpfsa9oh1glnDLBQUJteJI7m3c=",
+          "dev": true,
+          "requires": {
+            "camelcase": "^4.1.0",
+            "map-obj": "^2.0.0",
+            "quick-lru": "^1.0.0"
+          }
+        },
+        "conventional-changelog-angular": {
+          "version": "1.6.6",
+          "resolved": "https://registry.npmjs.org/conventional-changelog-angular/-/conventional-changelog-angular-1.6.6.tgz",
+          "integrity": "sha512-suQnFSqCxRwyBxY68pYTsFkG0taIdinHLNEAX5ivtw8bCRnIgnpvcHmlR/yjUyZIrNPYAoXlY1WiEKWgSE4BNg==",
+          "dev": true,
+          "requires": {
+            "compare-func": "^1.3.1",
+            "q": "^1.5.1"
+          }
+        },
+        "conventional-commits-parser": {
+          "version": "2.1.7",
+          "resolved": "https://registry.npmjs.org/conventional-commits-parser/-/conventional-commits-parser-2.1.7.tgz",
+          "integrity": "sha512-BoMaddIEJ6B4QVMSDu9IkVImlGOSGA1I2BQyOZHeLQ6qVOJLcLKn97+fL6dGbzWEiqDzfH4OkcveULmeq2MHFQ==",
+          "dev": true,
+          "requires": {
+            "JSONStream": "^1.0.4",
+            "is-text-path": "^1.0.0",
+            "lodash": "^4.2.1",
+            "meow": "^4.0.0",
+            "split2": "^2.0.0",
+            "through2": "^2.0.0",
+            "trim-off-newlines": "^1.0.0"
+          }
+        },
+        "find-up": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
+          "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
+          "dev": true,
+          "requires": {
+            "locate-path": "^2.0.0"
+          }
+        },
+        "is-text-path": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/is-text-path/-/is-text-path-1.0.1.tgz",
+          "integrity": "sha1-Thqg+1G/vLPpJogAE5cgLBd1tm4=",
+          "dev": true,
+          "requires": {
+            "text-extensions": "^1.0.0"
+          }
+        },
+        "load-json-file": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-4.0.0.tgz",
+          "integrity": "sha1-L19Fq5HjMhYjT9U62rZo607AmTs=",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "parse-json": "^4.0.0",
+            "pify": "^3.0.0",
+            "strip-bom": "^3.0.0"
+          }
+        },
+        "locate-path": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-2.0.0.tgz",
+          "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
+          "dev": true,
+          "requires": {
+            "p-locate": "^2.0.0",
+            "path-exists": "^3.0.0"
+          }
+        },
+        "map-obj": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/map-obj/-/map-obj-2.0.0.tgz",
+          "integrity": "sha1-plzSkIepJZi4eRJXpSPgISIqwfk=",
+          "dev": true
+        },
+        "meow": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/meow/-/meow-4.0.1.tgz",
+          "integrity": "sha512-xcSBHD5Z86zaOc+781KrupuHAzeGXSLtiAOmBsiLDiPSaYSB6hdew2ng9EBAnZ62jagG9MHAOdxpDi/lWBFJ/A==",
+          "dev": true,
+          "requires": {
+            "camelcase-keys": "^4.0.0",
+            "decamelize-keys": "^1.0.0",
+            "loud-rejection": "^1.0.0",
+            "minimist": "^1.1.3",
+            "minimist-options": "^3.0.1",
+            "normalize-package-data": "^2.3.4",
+            "read-pkg-up": "^3.0.0",
+            "redent": "^2.0.0",
+            "trim-newlines": "^2.0.0"
+          }
+        },
+        "minimist": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+          "dev": true
+        },
+        "p-limit": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.3.0.tgz",
+          "integrity": "sha512-vvcXsLAJ9Dr5rQOPk7toZQZJApBl2K4J6dANSsEuh6QI41JYcsS/qhTGa9ErIUUgK3WNQoJYvylxvjqmiqEA9Q==",
+          "dev": true,
+          "requires": {
+            "p-try": "^1.0.0"
+          }
+        },
+        "p-locate": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-2.0.0.tgz",
+          "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
+          "dev": true,
+          "requires": {
+            "p-limit": "^1.1.0"
+          }
+        },
+        "p-try": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/p-try/-/p-try-1.0.0.tgz",
+          "integrity": "sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M=",
+          "dev": true
+        },
+        "path-type": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/path-type/-/path-type-3.0.0.tgz",
+          "integrity": "sha512-T2ZUsdZFHgA3u4e5PfPbjd7HDDpxPnQb5jN0SrDsjNSuVXHJqtwTnWqG0B1jZrgmJ/7lj1EmVIByWt1gxGkWvg==",
+          "dev": true,
+          "requires": {
+            "pify": "^3.0.0"
+          }
+        },
+        "pify": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
+          "dev": true
+        },
+        "read-pkg": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-3.0.0.tgz",
+          "integrity": "sha1-nLxoaXj+5l0WwA4rGcI3/Pbjg4k=",
+          "dev": true,
+          "requires": {
+            "load-json-file": "^4.0.0",
+            "normalize-package-data": "^2.3.2",
+            "path-type": "^3.0.0"
+          }
+        },
+        "read-pkg-up": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-3.0.0.tgz",
+          "integrity": "sha1-PtSWaF26D4/hGNBpHcUfSh/5bwc=",
+          "dev": true,
+          "requires": {
+            "find-up": "^2.0.0",
+            "read-pkg": "^3.0.0"
+          }
+        },
+        "redent": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/redent/-/redent-2.0.0.tgz",
+          "integrity": "sha1-wbIAe0LVfrE4kHmzyDM2OdXhzKo=",
+          "dev": true,
+          "requires": {
+            "indent-string": "^3.0.0",
+            "strip-indent": "^2.0.0"
+          }
+        },
+        "strip-bom": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
+          "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
+          "dev": true
+        },
+        "strip-indent": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/strip-indent/-/strip-indent-2.0.0.tgz",
+          "integrity": "sha1-XvjbKV0B5u1sv3qrlpmNeCJSe2g=",
+          "dev": true
+        },
+        "text-extensions": {
+          "version": "1.9.0",
+          "resolved": "https://registry.npmjs.org/text-extensions/-/text-extensions-1.9.0.tgz",
+          "integrity": "sha512-wiBrwC1EhBelW12Zy26JeOUkQ5mRu+5o8rpsJk5+2t+Y5vE7e842qtZDQ2g1NpX/29HdyFeJ4nSIhI47ENSxlQ==",
+          "dev": true
+        },
+        "trim-newlines": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/trim-newlines/-/trim-newlines-2.0.0.tgz",
+          "integrity": "sha1-tAPQuRvlDDMd/EuC7s6yLD3hbSA=",
+          "dev": true
+        }
+      }
+    },
+    "@commitlint/read": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@commitlint/read/-/read-8.0.0.tgz",
+      "integrity": "sha512-IhNMiKPqkB5yxphe/FiOKgX2uCysbR8fGK6KOXON3uJaVND0dctxnfdv+vY9gDv2CtjIXgNFO+v6FLnqMfIvwA==",
+      "dev": true,
+      "requires": {
+        "@commitlint/top-level": "^8.0.0",
+        "@marionebl/sander": "^0.6.0",
+        "babel-runtime": "^6.23.0",
+        "git-raw-commits": "^1.3.0"
+      },
+      "dependencies": {
+        "camelcase": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
+          "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
+          "dev": true
+        },
+        "camelcase-keys": {
+          "version": "4.2.0",
+          "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-4.2.0.tgz",
+          "integrity": "sha1-oqpfsa9oh1glnDLBQUJteJI7m3c=",
+          "dev": true,
+          "requires": {
+            "camelcase": "^4.1.0",
+            "map-obj": "^2.0.0",
+            "quick-lru": "^1.0.0"
+          }
+        },
+        "find-up": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
+          "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
+          "dev": true,
+          "requires": {
+            "locate-path": "^2.0.0"
+          }
+        },
+        "git-raw-commits": {
+          "version": "1.3.6",
+          "resolved": "https://registry.npmjs.org/git-raw-commits/-/git-raw-commits-1.3.6.tgz",
+          "integrity": "sha512-svsK26tQ8vEKnMshTDatSIQSMDdz8CxIIqKsvPqbtV23Etmw6VNaFAitu8zwZ0VrOne7FztwPyRLxK7/DIUTQg==",
+          "dev": true,
+          "requires": {
+            "dargs": "^4.0.1",
+            "lodash.template": "^4.0.2",
+            "meow": "^4.0.0",
+            "split2": "^2.0.0",
+            "through2": "^2.0.0"
+          }
+        },
+        "load-json-file": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-4.0.0.tgz",
+          "integrity": "sha1-L19Fq5HjMhYjT9U62rZo607AmTs=",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "parse-json": "^4.0.0",
+            "pify": "^3.0.0",
+            "strip-bom": "^3.0.0"
+          }
+        },
+        "locate-path": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-2.0.0.tgz",
+          "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
+          "dev": true,
+          "requires": {
+            "p-locate": "^2.0.0",
+            "path-exists": "^3.0.0"
+          }
+        },
+        "map-obj": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/map-obj/-/map-obj-2.0.0.tgz",
+          "integrity": "sha1-plzSkIepJZi4eRJXpSPgISIqwfk=",
+          "dev": true
+        },
+        "meow": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/meow/-/meow-4.0.1.tgz",
+          "integrity": "sha512-xcSBHD5Z86zaOc+781KrupuHAzeGXSLtiAOmBsiLDiPSaYSB6hdew2ng9EBAnZ62jagG9MHAOdxpDi/lWBFJ/A==",
+          "dev": true,
+          "requires": {
+            "camelcase-keys": "^4.0.0",
+            "decamelize-keys": "^1.0.0",
+            "loud-rejection": "^1.0.0",
+            "minimist": "^1.1.3",
+            "minimist-options": "^3.0.1",
+            "normalize-package-data": "^2.3.4",
+            "read-pkg-up": "^3.0.0",
+            "redent": "^2.0.0",
+            "trim-newlines": "^2.0.0"
+          }
+        },
+        "minimist": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+          "dev": true
+        },
+        "p-limit": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.3.0.tgz",
+          "integrity": "sha512-vvcXsLAJ9Dr5rQOPk7toZQZJApBl2K4J6dANSsEuh6QI41JYcsS/qhTGa9ErIUUgK3WNQoJYvylxvjqmiqEA9Q==",
+          "dev": true,
+          "requires": {
+            "p-try": "^1.0.0"
+          }
+        },
+        "p-locate": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-2.0.0.tgz",
+          "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
+          "dev": true,
+          "requires": {
+            "p-limit": "^1.1.0"
+          }
+        },
+        "p-try": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/p-try/-/p-try-1.0.0.tgz",
+          "integrity": "sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M=",
+          "dev": true
+        },
+        "path-type": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/path-type/-/path-type-3.0.0.tgz",
+          "integrity": "sha512-T2ZUsdZFHgA3u4e5PfPbjd7HDDpxPnQb5jN0SrDsjNSuVXHJqtwTnWqG0B1jZrgmJ/7lj1EmVIByWt1gxGkWvg==",
+          "dev": true,
+          "requires": {
+            "pify": "^3.0.0"
+          }
+        },
+        "pify": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
+          "dev": true
+        },
+        "read-pkg": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-3.0.0.tgz",
+          "integrity": "sha1-nLxoaXj+5l0WwA4rGcI3/Pbjg4k=",
+          "dev": true,
+          "requires": {
+            "load-json-file": "^4.0.0",
+            "normalize-package-data": "^2.3.2",
+            "path-type": "^3.0.0"
+          }
+        },
+        "read-pkg-up": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-3.0.0.tgz",
+          "integrity": "sha1-PtSWaF26D4/hGNBpHcUfSh/5bwc=",
+          "dev": true,
+          "requires": {
+            "find-up": "^2.0.0",
+            "read-pkg": "^3.0.0"
+          }
+        },
+        "redent": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/redent/-/redent-2.0.0.tgz",
+          "integrity": "sha1-wbIAe0LVfrE4kHmzyDM2OdXhzKo=",
+          "dev": true,
+          "requires": {
+            "indent-string": "^3.0.0",
+            "strip-indent": "^2.0.0"
+          }
+        },
+        "strip-bom": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
+          "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
+          "dev": true
+        },
+        "strip-indent": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/strip-indent/-/strip-indent-2.0.0.tgz",
+          "integrity": "sha1-XvjbKV0B5u1sv3qrlpmNeCJSe2g=",
+          "dev": true
+        },
+        "trim-newlines": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/trim-newlines/-/trim-newlines-2.0.0.tgz",
+          "integrity": "sha1-tAPQuRvlDDMd/EuC7s6yLD3hbSA=",
+          "dev": true
+        }
+      }
+    },
+    "@commitlint/resolve-extends": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@commitlint/resolve-extends/-/resolve-extends-8.0.0.tgz",
+      "integrity": "sha512-SPkH+dXMCpYboVwpIhtOhpg1xYdE7L77fuHmEJWveXSmgfi0GosFm4aJ7Cer9DjNjW+KbD0TUfzZU0TrYUESjQ==",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "6.26.0",
+        "import-fresh": "^3.0.0",
+        "lodash": "4.17.11",
+        "resolve-from": "^5.0.0",
+        "resolve-global": "^1.0.0"
+      },
+      "dependencies": {
+        "resolve-from": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-5.0.0.tgz",
+          "integrity": "sha512-qYg9KP24dD5qka9J47d0aVky0N+b4fTU89LN9iDnjB5waksiC49rvMB0PrUJQGoTmH50XPiqOvAjDfaijGxYZw==",
+          "dev": true
+        }
+      }
+    },
+    "@commitlint/rules": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@commitlint/rules/-/rules-8.0.0.tgz",
+      "integrity": "sha512-s9BehZQP5uAc/V4lMaUxwxFabVZTw5fZ18Ase1e5tbMKVIwq/7E00Ny1czN7xSFXfgffukWznsexpfFXYpbVsg==",
+      "dev": true,
+      "requires": {
+        "@commitlint/ensure": "^8.0.0",
+        "@commitlint/message": "^8.0.0",
+        "@commitlint/to-lines": "^8.0.0",
+        "babel-runtime": "^6.23.0"
+      }
+    },
+    "@commitlint/to-lines": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@commitlint/to-lines/-/to-lines-8.0.0.tgz",
+      "integrity": "sha512-qqgNeyj+NJ1Xffwv6hGsipKlVFj30NmfPup751MS/me0GV8IBd//njTjiqHvf/3sKm/OcGn4Re4D7YXwTcC2RA==",
+      "dev": true
+    },
+    "@commitlint/top-level": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@commitlint/top-level/-/top-level-8.0.0.tgz",
+      "integrity": "sha512-If9hwfISHV8HXGKeXUKsUvOo4DuISWiU/VC2qHsKpeHSREAxkWESmQzzwYvOtyBjMiOTfAXfzgth18g36Fz2ow==",
+      "dev": true,
+      "requires": {
+        "find-up": "^2.1.0"
+      },
+      "dependencies": {
+        "find-up": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
+          "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
+          "dev": true,
+          "requires": {
+            "locate-path": "^2.0.0"
+          }
+        },
+        "locate-path": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-2.0.0.tgz",
+          "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
+          "dev": true,
+          "requires": {
+            "p-locate": "^2.0.0",
+            "path-exists": "^3.0.0"
+          }
+        },
+        "p-limit": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.3.0.tgz",
+          "integrity": "sha512-vvcXsLAJ9Dr5rQOPk7toZQZJApBl2K4J6dANSsEuh6QI41JYcsS/qhTGa9ErIUUgK3WNQoJYvylxvjqmiqEA9Q==",
+          "dev": true,
+          "requires": {
+            "p-try": "^1.0.0"
+          }
+        },
+        "p-locate": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-2.0.0.tgz",
+          "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
+          "dev": true,
+          "requires": {
+            "p-limit": "^1.1.0"
+          }
+        },
+        "p-try": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/p-try/-/p-try-1.0.0.tgz",
+          "integrity": "sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M=",
+          "dev": true
+        }
+      }
+    },
+    "@marionebl/sander": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/@marionebl/sander/-/sander-0.6.1.tgz",
+      "integrity": "sha1-GViWWHTyS8Ub5Ih1/rUNZC/EH3s=",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "^4.1.3",
+        "mkdirp": "^0.5.1",
+        "rimraf": "^2.5.2"
+      }
+    },
     "@samverschueren/stream-to-observable": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/@samverschueren/stream-to-observable/-/stream-to-observable-0.3.0.tgz",
@@ -2051,6 +2862,25 @@
         "babel-types": "^6.24.1"
       }
     },
+    "babel-polyfill": {
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-polyfill/-/babel-polyfill-6.26.0.tgz",
+      "integrity": "sha1-N5k3q8Z9eJWXCtxiHyhM2WbPIVM=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "^6.26.0",
+        "core-js": "^2.5.0",
+        "regenerator-runtime": "^0.10.5"
+      },
+      "dependencies": {
+        "regenerator-runtime": {
+          "version": "0.10.5",
+          "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz",
+          "integrity": "sha1-M2w+/BIgrc7dosn6tntaeVWjNlg=",
+          "dev": true
+        }
+      }
+    },
     "babel-preset-es2015": {
       "version": "6.24.1",
       "resolved": "https://registry.npmjs.org/babel-preset-es2015/-/babel-preset-es2015-6.24.1.tgz",
@@ -6336,6 +7166,15 @@
         }
       }
     },
+    "global-dirs": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/global-dirs/-/global-dirs-0.1.1.tgz",
+      "integrity": "sha1-sxnA3UYH81PzvpzKTHL8FIxJ9EU=",
+      "dev": true,
+      "requires": {
+        "ini": "^1.3.4"
+      }
+    },
     "global-modules": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/global-modules/-/global-modules-1.0.0.tgz",
@@ -12668,6 +13507,15 @@
       "integrity": "sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g==",
       "dev": true
     },
+    "resolve-global": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/resolve-global/-/resolve-global-1.0.0.tgz",
+      "integrity": "sha512-zFa12V4OLtT5XUX/Q4VLvTfBf+Ok0SPc1FNGM/z9ctUdiU618qwKpWnd0CHs3+RqROfyEg/DhuHbMWYqcgljEw==",
+      "dev": true,
+      "requires": {
+        "global-dirs": "^0.1.1"
+      }
+    },
     "resolve-url": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/resolve-url/-/resolve-url-0.2.1.tgz",
diff --git a/package.json b/package.json
index c03bfc07c..299e3c355 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,8 @@
   },
   "husky": {
     "hooks": {
-      "pre-commit": "lint-staged"
+      "pre-commit": "lint-staged",
+      "commit-msg": "commitlint --edit $HUSKY_GIT_PARAMS"
     }
   },
   "lint-staged": {
@@ -42,6 +43,8 @@
     "@babel/preset-env": "^7.4.5",
     "autoprefixer": "^9.6.0",
     "babel-core": "^6.26.3",
+    "@commitlint/cli": "^8.0.0",
+    "@commitlint/config-conventional": "^8.0.0",
     "babel-eslint": "^10.0.1",
     "babel-loader": "^8.0.6",
     "babel-plugin-syntax-dynamic-import": "^6.18.0",