patch applied (ghc): Merge Haddock comment support from ghc.haddock -- big patch

[Simon Marlow]

David Waern wrote:
>>Do you think you could start a Wiki page describing the Haddock-isation
>>in the (new) Commentary?
>>	http://hackage.haskell.org/trac/ghc/wiki/Commentary
>>That would be a good place to accumulate the answers to Duncan's
>>questions, for example.   Don't go overboard -- too much detail just
>>gets out of sync -- but an overview in the style of the rest of the
>>commentary would be v helpful.
>>
> 
> 
> I finally added something to the wiki:
> http://hackage.haskell.org/trac/ghc/wiki/HaddockComments

Thanks!

Simon