Changes since CMSSW_5_3_18:
- #4189 from @vciulli: Newtunes 53x
generators - #3556 from @cms-btv-pog: Updates for PAT python configuration files: Backport from 7_1_X to 5_3_X
analysis - #3795 from @cms-btv-pog: New mva taggers backport from 71X to 53X
analysisreconstruction - #4038 from @smuzaffar: If no .edmplugincache file found under LD_LIBRARY_PATH then force to use one under CMSSW_BASE to avoid cat hanging
core - #4031 from @smuzaffar: fixed duplicateReflexLibrarySearch for patch releases
core - #3895 from @vciulli: Allow Powheg to run using precalculated grid
generators - #3908 from @bbockelm: Fix Xrootd ReadV implementation
core
External tools chages since CMSSW_5_3_18:
- lhapdf version updated to 5.9.1
- xrootd version updated to 3.2.4
- boost 1.47.0 rebuild to avoid a lot of non virtual destructor warnings in CMSSW (slc6 only)
- root rebuilt to pick up our openssl