added QCD flat Pt and eta Pythia8 configuration files
Merge pull request #65 from dnash86/master

configs from Shih-Chuan
Merge pull request #63 from cms-btv-pog/master

Added QCD flat Pt and eta Pythia8 configuration files
2.76TeV minbias fragments
Merge pull request #66 from UAEDF-tomc/master

2.76TeV minbias fragments
Modified config for DY
Modified config for DY