add travis-ci

.travis.yml

@@ -0,0 +1,35 @@
+env:
+ - GHCVER=6.12.3
+ - GHCVER=7.0.1
+ - GHCVER=7.0.2
+ - GHCVER=7.0.3
+ - GHCVER=7.0.4
+ - GHCVER=7.2.1
+ - GHCVER=7.2.2
+ - GHCVER=7.4.1
+ - GHCVER=7.4.2
+ - GHCVER=7.6.1
+ - GHCVER=7.6.2
+ - GHCVER=7.6.3
+
+before_install:
+ - sudo add-apt-repository -y ppa:hvr/ghc
+ - sudo apt-get update
+ - sudo apt-get install cabal-install-1.18 ghc-$GHCVER
+ - export PATH=/opt/ghc/$GHCVER/bin:$PATH
+
+install:
+ - cabal-1.18 update
+ - if [ "$GHCVER" = "6.12.3" ]; then
+      cabal-1.18 install --only-dependencies;
+      cabal-1.18 install 'QuickCheck==2.6.*';
+   else
+      cabal-1.18 install --only-dependencies --enable-tests;
+   fi
+
+script:
+ - cabal-1.18 configure --enable-tests -v2
+ - cabal-1.18 build
+ - cabal-1.18 test
+ - cabal-1.18 check
+ - cabal-1.18 sdist