Add Version and DepNames keys to PackageData.
Add Version and DepNames keys to PackageData.

quchen/shaking-up-ghc,sdiehl/ghc,izgzhen/hadrian,snowleopard/hadrian,sdiehl/ghc,snowleopard/shaking-up-ghc,sdiehl/ghc,bgamari/shaking-up-ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc