Removed "VerboseLevel".

See also #451.
Merge pull request #466 from degano/verboselevel_71XThreaded

Removed "VerboseLevel".
Updated 2 weighting files.

Needed by #2717.
Merge pull request #472 from degano/recoegamma_datafiles_71X

Updated 2 weighting files.
Merge remote branch 'origin/IB/CMSSW_7_1_X/stable' into IB/CMSSW_7_0_X/stable