added pruned subjets of ca8PFJetsCHS to enable monitoring of the jet flavor, explicit JTA, and SV clustering for subjets
Merge pull request #6500 from cms-btv-pog/SubjetsPATBTagExample_from-CMSSW_7_3_X_2014-11-19-1400

Subjets in PAT btag example
Merge remote branch 'origin/CMSSW_7_3_X' into CMSSW_7_0_X