Merged l1t-devel-CMSSW_7_1_0_pre2 from repository cms-l1t-offline
fixing bug in CaloTools::caloTowerHash and related functions, adding function to check if ieta/iphi is valid and using this in L1TCaloTowerProducer
Merge branch 'l1t-devel-CMSSW_7_1_0_pre2' of github.com:cms-l1t-offline/cmssw into from-CMSSW_7_1_0_pre2
updating before push