new option for DQMStore to make all the MEs LS-based
add forceResetOnBeginLumi option to DQMStore
remove transitions which are not triggered anymore by the threaded framework
Make DQMFileSaver create also json files.
reset lumi object instead of deleting it. needed for the online when saving per LS
simplify the logic of the indexes reset when running with enableMultiThread
correctly set flags default
bound forceResetOnBeginLumi and enableMultiThread together
percolate the enableMultiThread flag to the DQMFileSaver, MEtoEDMConverter and DQMRootOutputModule classes
force reset at the end of the LS for all the histograms when in FilterUnit mode and new tester now available
Fix loading of protobuf files.
Merge remote-tracking branch 'deguio/DQMStoreForOnline' into DQMProtobufReader

Conflicts:
	DQMServices/Components/src/DQMFileSaver.cc
	DQMServices/Core/src/DQMStore.cc