updated config tag to V05-03-27 which contains fixes for dxr build rule
Merge pull request #1108 from smuzaffar/IB/CMSSW_7_3_X/stable

updated config tag to V05-03-27 which contains fixes for dxr build rule
Merge remote branch 'origin/IB/CMSSW_7_3_X/stable' into IB/CMSSW_7_0_X/stable