GT update for MVA and HCAL
Added 50ns GT
remove hard-coded GT's ; adapt to new autoCond.py : step3Up2015Defaults and step3Up2015Defaults50ns
 assure that the customise function does nothing (i.e. returns the process as is) and does not fail if invoked in a cmsDriver which does not contain reco
Merge pull request #1844 from franzoni/from-CMSSW_7_0_X_2013-12-17-0200-GF-protect-customiseForRunI

Configuration updates -- Protect customiseForRunI