updated config tag to V05-03-26 which contains various fixes for osx
Merge pull request #1100 from smuzaffar/IB/CMSSW_7_3_X/stable

updated config tag to V05-03-26 which contains various fixes for osx
Merge remote branch 'origin/IB/CMSSW_7_3_X/stable' into IB/CMSSW_7_0_X/stable