Adopt new CondTree data structure.
Adopt new CondTree data structure.

'finalizePackageDescription' now also takes dependencies of
executables into account.

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