concrete functor and monad transformers
#28Backport Eq1/Ord1/Read1/Show1 instances for Proxy
One more set of new base-4.9 instances I forgot. This were introduced in http://git.haskell.org/ghc.git/commit/5097f3802124cfbe6810bff8110df91d4c52096b ; backported in my branch here http://hub.darcs.net/RyanGlScott/transformers/patch/697d1932bccebbc9a4f30b1e408bca6f287ba43f
