Merge branches 'dxr-python-and-dependencies' and 'dxr-python-and-dependencies' of github.com:gartung/cmsdist into IB/CMSSW_7_2_X/next
fix python shebang statement to avoid build path dependency
setup dxr as an external python package and all of its python dependencies so dxr-build.py can be run in the CMSSW environment
Update makefile and spec with suggested changes
Merge commit '97c3646191813a6cebfbcbda10f3a4f8692db026' into dxr-python-and-dependencies

Conflicts:
	py2-dxr-toolfile.spec
	py2-dxr.spec