Update README.md

Moves description to CMSSW_7_0_9
Adding non-filtering mode for the analysis.py file, to use in signal samples.
Merge branch 'master' of github.com:cms-edbr/ExoDiBosonResonancesRun2
Merge pull request #2 from cms-edbr/master

Update from cms-edbr/ExoDiBosonResonancesRun2