Add comment to .cabal file saying what GHC 7.6.1 shipped with
Add comment to .cabal file saying what GHC 7.6.1 shipped with

mettekou/ghc,olsner/ghc,frantisekfarka/ghc-dsi,mfine/ghc,nkaretnikov/ghc,jstolarek/ghc,GaloisInc/halvm-ghc,gridaphobe/ghc,nathyong/microghc-ghc,holzensp/ghc,christiaanb/ghc,wxwxwwxxx/ghc,tjakway/ghcjvm,urbanslug/ghc,nkaretnikov/ghc,tibbe/ghc,mcschroeder/ghc,holzensp/ghc,ml9951/ghc,christiaanb/ghc,oldmanmike/ghc,vTurbine/ghc,sdiehl/ghc,mcschroeder/ghc,bitemyapp/ghc,ml9951/ghc,forked-upstream-packages-for-ghcjs/ghc,acowley/ghc,fmthoma/ghc,green-haskell/ghc,da-x/ghc,GaloisInc/halvm-ghc,jstolarek/ghc,ghc-android/ghc,gcampax/ghc,bitemyapp/ghc,elieux/ghc,sgillespie/ghc,spacekitteh/smcghc,sgillespie/ghc,ml9951/ghc,snoyberg/ghc,vTurbine/ghc,sdiehl/ghc,green-haskell/ghc,bitemyapp/ghc,gcampax/ghc,mettekou/ghc,fmthoma/ghc,mettekou/ghc,jstolarek/ghc,urbanslug/ghc,ml9951/ghc,lukexi/ghc,da-x/ghc,shlevy/ghc,urbanslug/ghc,frantisekfarka/ghc-dsi,gcampax/ghc,vikraman/ghc,da-x/ghc,christiaanb/ghc,sdiehl/ghc,ml9951/ghc,anton-dessiatov/ghc,olsner/ghc,vTurbine/ghc,anton-dessiatov/ghc,vTurbine/ghc,spacekitteh/smcghc,ezyang/ghc,TomMD/ghc,bitemyapp/ghc,sdiehl/ghc,nathyong/microghc-ghc,GaloisInc/halvm-ghc,shlevy/ghc,snoyberg/ghc,da-x/ghc,vikraman/ghc,urbanslug/ghc,acowley/ghc,lukexi/ghc,tjakway/ghcjvm,forked-upstream-packages-for-ghcjs/ghc,sdiehl/ghc,mfine/ghc,mfine/ghc,lukexi/ghc,AlexanderPankiv/ghc,elieux/ghc,oldmanmike/ghc,urbanslug/ghc,green-haskell/ghc,holzensp/ghc,fmthoma/ghc,vikraman/ghc,ezyang/ghc,fmthoma/ghc,TomMD/ghc,nathyong/microghc-ghc,frantisekfarka/ghc-dsi,elieux/ghc,shlevy/ghc,tjakway/ghcjvm,nkaretnikov/ghc,siddhanathan/ghc,AlexanderPankiv/ghc,spacekitteh/smcghc,shlevy/ghc,nushio3/ghc,GaloisInc/halvm-ghc,nushio3/ghc,anton-dessiatov/ghc,nkaretnikov/ghc,gridaphobe/ghc,elieux/ghc,anton-dessiatov/ghc,siddhanathan/ghc,nathyong/microghc-ghc,siddhanathan/ghc,forked-upstream-packages-for-ghcjs/ghc,nathyong/microghc-ghc,da-x/ghc,christiaanb/ghc,snoyberg/ghc,gcampax/ghc,nathyong/microghc-ghc,tibbe/ghc,christiaanb/ghc,mettekou/ghc,gridaphobe/ghc,mfine/ghc,AlexanderPankiv/ghc,ml9951/ghc,GaloisInc/halvm-ghc,da-x/ghc,acowley/ghc,snoyberg/ghc,da-x/ghc,tibbe/ghc,GaloisInc/halvm-ghc,mcschroeder/ghc,urbanslug/ghc,nushio3/ghc,vikraman/ghc,sgillespie/ghc,jstolarek/ghc,ml9951/ghc,sgillespie/ghc,nushio3/ghc,ryantm/ghc,gcampax/ghc,tibbe/ghc,wxwxwwxxx/ghc,wxwxwwxxx/ghc,forked-upstream-packages-for-ghcjs/ghc,siddhanathan/ghc,ghc-android/ghc,tjakway/ghcjvm,siddhanathan/ghc,green-haskell/ghc,siddhanathan/ghc,gridaphobe/ghc,fmthoma/ghc,gridaphobe/ghc,sdiehl/ghc,vikraman/ghc,gcampax/ghc,nushio3/ghc,fmthoma/ghc,acowley/ghc,ryantm/ghc,ghc-android/ghc,shlevy/ghc,forked-upstream-packages-for-ghcjs/ghc,ezyang/ghc,mettekou/ghc,green-haskell/ghc,snoyberg/ghc,acowley/ghc,elieux/ghc,bitemyapp/ghc,TomMD/ghc,wxwxwwxxx/ghc,ezyang/ghc,nushio3/ghc,ezyang/ghc,sgillespie/ghc,olsner/ghc,mcschroeder/ghc,oldmanmike/ghc,vTurbine/ghc,spacekitteh/smcghc,urbanslug/ghc,nathyong/microghc-ghc,olsner/ghc,tjakway/ghcjvm,fmthoma/ghc,mcschroeder/ghc,nkaretnikov/ghc,ghc-android/ghc,TomMD/ghc,AlexanderPankiv/ghc,vikraman/ghc,mettekou/ghc,siddhanathan/ghc,oldmanmike/ghc,lukexi/ghc,mfine/ghc,acowley/ghc,snoyberg/ghc,sdiehl/ghc,shlevy/ghc,TomMD/ghc,AlexanderPankiv/ghc,holzensp/ghc,ryantm/ghc,tibbe/ghc,mcschroeder/ghc,snoyberg/ghc,AlexanderPankiv/ghc,vikraman/ghc,oldmanmike/ghc,gridaphobe/ghc,wxwxwwxxx/ghc,forked-upstream-packages-for-ghcjs/ghc,oldmanmike/ghc,mfine/ghc,gridaphobe/ghc,mettekou/ghc,oldmanmike/ghc,acowley/ghc,christiaanb/ghc,christiaanb/ghc,TomMD/ghc,jstolarek/ghc,frantisekfarka/ghc-dsi,ghc-android/ghc,elieux/ghc,olsner/ghc,ryantm/ghc,nkaretnikov/ghc,tjakway/ghcjvm,olsner/ghc,GaloisInc/halvm-ghc,anton-dessiatov/ghc,ml9951/ghc,olsner/ghc,ezyang/ghc,anton-dessiatov/ghc,forked-upstream-packages-for-ghcjs/ghc,lukexi/ghc,wxwxwwxxx/ghc,wxwxwwxxx/ghc,ezyang/ghc,nkaretnikov/ghc,spacekitteh/smcghc,anton-dessiatov/ghc,vTurbine/ghc,TomMD/ghc,holzensp/ghc,AlexanderPankiv/ghc,tjakway/ghcjvm,mcschroeder/ghc,gcampax/ghc,shlevy/ghc,frantisekfarka/ghc-dsi,ryantm/ghc,ghc-android/ghc,mfine/ghc,nushio3/ghc,sgillespie/ghc,ghc-android/ghc,elieux/ghc,sgillespie/ghc,vTurbine/ghc