collection for hcal oot pileup corrections with dual serialization capability
adding new objects compatible with both db versions
a trivial fix avoiding potential memory leak; removed data directory
Merge pull request #5179 from igv4321/alt-oot-pileup

Alt oot pileup
Merge remote branch 'origin/CMSSW_7_2_X' into CMSSW_7_0_X