added CMSSW_4_2_X queue for slc5_amd64_gcc434
Merge pull request #375 from smuzaffar/IB/CMSSW_7_0_X/stable

added CMSSW_4_2_X queue for slc5_amd64_gcc434
Merge remote branch 'origin/IB/CMSSW_7_0_X/stable' into IB/CMSSW_7_0_X/stable
Merge remote branch 'origin/IB/CMSSW_7_1_X/stable' into IB/CMSSW_7_0_X/stable