Merged CMSSW_7_3_X from repository cms-sw
Fixes and updates to the HLT Run2 menu, other will follow
A few more updates and fixes to the HLT Run2 menu
Merged refs/pull/6801/head from repository cms-sw
Further HLT cleanup and bug-fixes
Merge pull request #6813 from Martin-Grunewald/MoreHLTfor73X

73X: Further HLT cleanup and bug-fixes