New analyzer EcalPileUpDepMonitor
smart checking of axis label when merging
Merge pull request #3148 from yiiyama/ecal-dqm-pileup-module

DQMOffline/Ecal -- New analyzer EcalPileUpDepMonitor
Merge pull request #3173 from deguio/smartLabelsDQMRootSource

DQM -- Smart checking of axis label when merging
Merge remote branch 'origin/CMSSW_7_1_X' into CMSSW_7_0_X