Test feature
Test feature
Test feature
Test feature
Test feature
Test feature
Test feature
Test feature
Test feature
Test feature
Test feature
Test feature
Test feature
Test feature
Test feature
Merge remote-tracking branch 'official-cmssw/CMSSW_7_0_X' into myValidation
change the definition of histogram from beginJob to beginRun
Added reset method to AtomicPtrCache

After using AtomicPtrCache in real code, we found that a dedicated reset() method makes the code cleaner. Previously one had to create a temporary empty AtomicPtrCache and assign it to the old variable in order to reset.
Merge pull request #1371 from Dr15Jones/addResetToAtomicPtrCache

Multithreaded framework -- Added reset method to AtomicPtrCache
Fixed a non-const static for DQM/SiStripCommissioningSources