grybkine: python/Cmt.py: Ignore the special CMTUSERCONTEXT project


git-svn-id: svn+ssh://svn.cern.ch/reps/atlasoff/Tools/PyCmt/trunk@553367 4525493e-7705-40b1-a816-d608a930855b
be more selective with LD env var for gcc builds


git-svn-id: svn+ssh://svn.cern.ch/reps/atlasoff/Tools/PyCmt/trunk@556902 4525493e-7705-40b1-a816-d608a930855b