Merge pull request #766 from burz/master

Fix an import error and add color to "Build failure" warning.

yesod-bin/Devel.hs

@@ -266,7 +266,7 @@ devel opts passThroughArgs = withSocketsDo $ withManager $ \manager -> do
                    unless (anyTouched || haskellFileChanged) $ loop list1
            if not success
              then liftIO $ do
-                   putStrLn "Build failure, pausing..."
+                   putStrLn "\x1b[1;31mBuild failure, pausing...\x1b[0m"
                    runBuildHook $ failHook opts
              else do
                    liftIO $ runBuildHook $ successHook opts

yesod-newsfeed/Yesod/Feed.hs

@@ -26,6 +26,8 @@ import Yesod.AtomFeed
 import Yesod.RssFeed
 import Yesod.Core
 
+import Data.Text
+
 newsFeed :: MonadHandler m => Feed (Route (HandlerSite m)) -> m TypedContent
 newsFeed f = selectRep $ do
     provideRep $ atomFeed f