Fix momentumTensor calculation

Norm of momentumTensor should be initialized with zero
Same changes as for CMSSW_7_2_X_sherpa_2.1.1 applied to CMSSW_7_1_X
Missed to remove obsolete header
Remove tarballs from repository
Mixed up changes from 72X with 71X, reversed changes to Buildfile and FetcherRRR
cleanup generator, more correct sampling of time of collision
710TemplateFor71X
FastSim patches for running HLT Run2 menu in CMSSW_7_1_0 (backported from 72X)
Merged refs/pull/4306/head from repository cms-sw
HCal mre-mixing specific code forward ported from 7_0_X
Merged refs/pull/4344/head from repository cms-sw
Merged refs/pull/4341/head from repository cms-sw
Latest updates...
Merged DQMIntegration from repository deguio
Merged OnlineDQMMergeAttempt2 from repository dmitrijus
Fix typo in parameter name
backport EtaRangeCaloJetSelector to 71X
Add missing customisation for HLT
removing option for dqmSaver which are no more available
removing option for dqmSaver which are no more available