Remove TODO in revproxy (close #49).
Remove TODO in revproxy (close #49).

Ignore-this: b7b008e57c11e0ec7a6df1f9af939279

It was done 4 years ago by introducing the outputfilter extension
(see [626/ocsigenserver.dev])

darcs-hash:20111007000607-da4f2-587111c89653940643da9bf52bf0c2fdbd167d44

mfp/ocsigenserver,mfp/ocsigenserver