take RCT LUTs from db
New Run2 simulation GT with updated L1T conditions for CSC (Pt LUT and TF) and RCT.
Some missing pieces for PreMixing
Merged refs/pull/6503/head from repository cms-sw
Merge pull request #6494 from diguida/autoCond_730pre3

New Global Tags for pre3 RelVal
follow interface changes in fastjet 3.1 - so pull in content from pending PR
Merge pull request #6506 from davidlange6/fastjet_contrib_interface_changes

Fastjet contrib interface changes
Merge pull request #6469 from cms-l1t-offline/l1t-take-rctluts-from-db

take RCT LUTs from db
Fix file case issue on macosx.
Merge pull request #6507 from ktf/fix-heppy

Fix file case issue on macosx.
Merge pull request #6501 from mdhildreth/73X_PreMixingPatches

Some missing pieces for PreMixing
Merge remote branch 'origin/CMSSW_7_3_X' into CMSSW_7_0_X