Add debug builds.
Fix and add data files.

Add RecoEgamma/ElectronIdentification to the datafiles downloaded from github including the files requested in
Fix version of RecoParticleFlow/PFProducer and RecoParticleFlow/PFTracking.
Merge pull request #475 from degano/datafiles_github_fixes

Fix and add data files.
Merge remote branch 'origin/IB/CMSSW_7_0_X/stable' into IB/CMSSW_7_0_X/stable
Merge remote branch 'origin/IB/CMSSW_7_1_X/stable' into IB/CMSSW_7_0_X/stable