Port changes from Fireworks/Core from 72x.
Change TEveManager::Create() option

Don't create a default GL viewer.
Use 64-bit event id.
Merge pull request #6127 from osschar/fworks-evid64-73x

Use 64-bit event id in Fireworks.
Merge remote branch 'origin/CMSSW_7_3_X' into CMSSW_7_0_X