migrate few E/Gamma HLT modules from legacy to stream or global
hltIntegrationTests: run the whole HLT job with multithreading
Merge pull request #6461 from fwyzard/hltIntegrationTests_multithreading

hltIntegrationTests: run the whole HLT job with multithreading
Merge pull request #6449 from fwyzard/migrate_EGM_to_stream_or_global

migrate few E/Gamma HLT modules from legacy to stream or global
Merge remote branch 'origin/CMSSW_7_3_X' into CMSSW_7_0_X