Saving decay mode inside PFTau and patTau
enhancing the igetter functionalities: addint DQMStore::IGetter::removeElement
Merge pull request #4019 from deguio/removeElement

Enhancing the igetter functionalities: addint DQMStore::IGetter::removeElement
Merge pull request #3993 from jpavel/72x_taus_DMsaving

Saving tau decay mode inside PFTau and patTau.
Merge remote branch 'origin/CMSSW_7_2_X' into CMSSW_7_0_X