Add files need for RunDependent
add TSG Mixing flat 20-50 mixing scenario (50 ns)
Add flat PU 20-50, 50ns
Merge pull request #4981 from franzoni/fw-port-TSG-pu-scenario-CMSSW_7_1_X_2014-08-18-1400

Fw port tsg pu scenario cmssw 7 1 x 2014 08 18 1400
Merge pull request #4979 from franzoni/CP-70X-mixing_fromPhat-CMSSW_7_1_X_2014-08-18-1400

Add files need for RunDependent MC
Merge remote branch 'origin/CMSSW_7_1_X' into CMSSW_7_0_X