Thread safe changes
Fix emptyness check
Adding accessors for setting either pt or e in correctors
change static to static std::atomic<> for debug and firmwareVersion that are set once and never changed, make file vars const
Merge pull request #2373 from rappoccio/rappoccio_JEC_L1_Accessors

AT updates -- Adding accessors for setting either pt or e in correctors
Merge pull request #2383 from gartung/EventFilter-CSCRawToDigi-statics-work

Misc fixes -- change static to static std::atomic<> for debug and firmwareVersion that...
Merge pull request #2239 from vkuznet/ThreadSafe_Geometry_HcalTowerAlgo

Multithreading fixes -- Thread safe geometry hcal tower algo
Merge remote branch 'origin/CMSSW_7_1_X' into CMSSW_7_0_X