Remove some conditional compilation
Separate msg type parameter
LoggerT transformer
Pin down to Text for better type inference
mapLog
UpgradeMessage
MonadCatch instances c/o @jwiegley
Fix for GHC 7.4
Merge branch 'master' into writer-like

Conflicts:
	monad-logger/Control/Monad/Logger.hs
	monad-logger/monad-logger.cabal
Fix compilation