initial commit for 710_pre4
addressed static, non-const objects
added check for valid handles to collections
added flag to test access to collections, added tracking protection
more tracking protection
changed package name from DQM/Physics_HWW to DQM/PhysicsHWW
added missing histogram bin, modified EventMonitor constructor so that hist bins are always in the same order
removed weight files, use data external instead
Merge pull request #2823 from jgran/hwwDQM_710pre4

DQM -- HWW DQM Package