Added pyGithub, the python library to acces github
It is used by the report-pull-request-results script
Added @PYTHONV@ to py2-pygithub-toolfile.spec
Merge pull request #337 from nclopezo/add-py-github

Added pyGithub, the python library to acces github
Merge remote branch 'origin/IB/CMSSW_7_0_X/stable' into IB/CMSSW_7_0_X/stable