some typos
add config.haskell.buildCoreLibraries option
add haskell-release (TEMPORARY)
lens: support buildCoreLibraries
comonad: support buildCoreLibraries
distributive: support buildCoreLibraries
doctest: fix for buildCoreLibraries
c2hsc: move to development/tools
c2hs: update and move to development/tools
intervals: fix building with buildCoreLibraries
mtl: update for 7.8.3/buildCorePackages