[backpack] More revisions to various pieces.
[backpack] More revisions to various pieces.

Signed-off-by: Edward Z. Yang <dbd597f5635f432486c5d365e9bb585b3eaa1853@cs.stanford.edu>

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