Merge pull request #923 from smuzaffar/IB/CMSSW_7_1_X/stable

new scram and config tag
from 53X: added support for default compiler and extra tools
Merge pull request #924 from smuzaffar/IB/CMSSW_7_0_X/stable

from 53X: added support for default compiler and extra tools
Merge remote-tracking branch 'origin/IB/CMSSW_7_0_X/stable' into IB/CMSSW_7_0_X/stable
added the mic macro which are not automatically merged by jekin job