FIX BUG: Quick fix: broken FIND_PACKAGE of Python: which find one upper
directory of the proper one. This patch is a quick fix to bring the set
python option upfront so that user can set it by herself and propagate
the python path all the building process.
Merge pull request #53 from BRAINSia/FindPythonPath_Bug_QuickFix

FIX BUG: Quick fix: broken FIND_PACKAGE of Python: which find one upper