Fix errors in sdist for example project

examples/serversession-example-yesod-persistent/LICENSE

@@ -0,0 +1,20 @@
+Copyright (c) 2015 Felipe Lessa
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

examples/serversession-example-yesod-persistent/Setup.lhs

@@ -0,0 +1,7 @@
+#!/usr/bin/env runhaskell
+
+> module Main where
+> import Distribution.Simple
+
+> main :: IO ()
+> main = defaultMain

examples/serversession-example-yesod-persistent/serversession-example-yesod-persistent.cabal

@@ -1,5 +1,8 @@
 name:              serversession-example-yesod-persistent
 version:           0.0.0
+license:           MIT
+license-file:      LICENSE
+description:       Example yesod/persistent app using serversession
 cabal-version:     >= 1.8
 build-type:        Simple
 
@@ -25,9 +28,9 @@ library
 
     if flag(dev) || flag(library-only)
         cpp-options:   -DDEVELOPMENT
-        ghc-options:   -Wall -fwarn-tabs -O0
+        ghc-options:   -Wall -fwarn-tabs
     else
-        ghc-options:   -Wall -fwarn-tabs -O
+        ghc-options:   -Wall -fwarn-tabs
 
     extensions: TemplateHaskell
                 QuasiQuotes
@@ -46,7 +49,7 @@ library
                 TupleSections
                 RecordWildCards
 
-    build-depends: base                          >= 4
+    build-depends: base                          >= 4 && < 5
                  , yesod                         >= 1.4.1
                  , yesod-core                    >= 1.4.6
                  , yesod-auth                    >= 1.4.0
@@ -95,7 +98,7 @@ executable         serversession-example-yesod-persistent
     hs-source-dirs:    app
     build-depends:     base, serversession-example-yesod-persistent
 
-    ghc-options:       -threaded -O -rtsopts -with-rtsopts=-N
+    ghc-options:       -threaded -rtsopts -with-rtsopts=-N
 
 test-suite test
     type:              exitcode-stdio-1.0