add capability to mix OOT muons with different bunch pattern from minbias
Fix compilation error
Merge pull request #5817 from mdhildreth/Mixing_OOT_cosmics

Mixing_OOT_cosmics -- add capability to mix OOT muons with different bunch pattern from minbias
Merge remote branch 'origin/CMSSW_7_3_X' into CMSSW_7_0_X