Improve 'cabal info pkg' message when there is nothing to install   "All requested packages already installed. Nothing to do." rather than:   "These packages would be installed:\n" followed by ... nothing.
Improve 'cabal info pkg' message when there is nothing to install
  "All requested packages already installed. Nothing to do."
rather than:
  "These packages would be installed:\n"
followed by ... nothing.

thoughtpolice/cabal,gridaphobe/cabal,triplepointfive/cabal,plow-technologies/cabal,sopvop/cabal,thomie/cabal,christiaanb/cabal,seereason/cabal,kolmodin/cabal,martinvlk/cabal,edsko/cabal,Heather/cabal,ghc-android/cabal,typelead/epm,thoughtpolice/cabal,headprogrammingczar/cabal,plumlife/cabal,randen/cabal,valderman/cabal,eric-stanley/cabal,garetxe/cabal,valderman/cabal,trskop/cabal,ian-ross/cabal,alphaHeavy/cabal,x-y-z/cabal,gbaz/cabal,plow-technologies/cabal,fugyk/cabal,enolan/cabal,edsko/cabal,ghc-android/cabal,corngood/cabal,Helkafen/cabal,kolmodin/cabal,randen/cabal,mightybyte/cabal,mydaum/cabal,seereason/cabal,ian-ross/cabal,fpco/cabal,beni55/cabal,bennofs/cabal,plumlife/cabal,gbaz/cabal,mmakowski/cabal,thomie/cabal,fpco/cabal,garetxe/cabal,trskop/cabal,beni55/cabal,triplepointfive/cabal,themoritz/cabal,mmakowski/cabal,themoritz/cabal,corngood/cabal,Peaker/cabal,Peaker/cabal,headprogrammingczar/cabal,alphaHeavy/cabal,rimmington/cabal,mightybyte/cabal,bennofs/cabal,christiaanb/cabal,rimmington/cabal,kosmikus/cabal,Heather/cabal,mydaum/cabal,themoritz/cabal,Helkafen/cabal,x-y-z/cabal,anton-dessiatov/cabal,eric-stanley/cabal,enolan/cabal,typelead/epm,sopvop/cabal,lukexi/cabal,fugyk/cabal,lukexi/cabal,martinvlk/cabal,sopvop/cabal,kosmikus/cabal,anton-dessiatov/cabal,gridaphobe/cabal