Clean up type declarations, use fst and <$>.
Clean up type declarations, use fst and <$>.

freizl/freizl.github.com-old,d12frosted/hakyll,freizl/freizl.github.com-old,freizl/freizl.github.com-old,freizl/freizl.github.com-old,Javran/hakyll,freizl/freizl.github.com-old,freizl/freizl.github.com-old,oldmanmike/hakyll,beni55/hakyll,freizl/freizl.github.com-old,Minoru/hakyll