Ideal 2015 geometry scenario
Fix double inversion of MET covariance matrix
replace fabs with std::abs
fix customization when unschedule mode is used
Merge pull request #6636 from srimanob/fix-customize-73X

fix customization when unschedule mode is used (73X)
Merge pull request #6651 from mommsen/useValidTimeStampInAnyCase_73

Forward port timestamp fix to CMSSW_7_3
Merge pull request #6553 from cms-met/MM_MET_112114

Fix double inversion of MET covariance matrix
Merge pull request #6510 from ianna/ideal2015-scenario

Ideal 2015 Geometry Scenario
Merge pull request #6544 from eavdeeva/NewScenario

updated TrackerCSA14+LS1BPixRepair Scenario
Merge remote branch 'origin/CMSSW_7_3_X' into CMSSW_7_0_X