Adapt hltIntegrationTests for threading defaults
setting passPfPreSelection flag
setting passMvaPreselection flag
make two arrays const
use getcwd instead of get_current_dir_name
BUG FIX: remove hard-coded use of sqlite file and enable parallel offline validation for cosmics
Merge pull request #6545 from Sam-Harper/EGPreSelFlagsFix

Fixing electron selection pre-selection flags
Merge pull request #6527 from deguio/fixStatics2

Fix statics for DQM
Merge pull request #6536 from tlampen/fix-offline-validation-for-cosmics_for73X

BUG FIX: remove hard-coded use of sqlite file and enable parallel offlin...
Merge pull request #6523 from Martin-Grunewald/FixThread

Adapt hltIntegrationTests for threading defaults
Merge remote branch 'origin/CMSSW_7_3_X' into CMSSW_7_0_X