pylint 1.4.0 -> 1.4.1 astroid 1.3.2 -> 1.3.4 six 1.8.0 -> 1.9.0 logilab-common 0.61.0 -> 0.63.2
It doesn't make sense to build tools/applications with three different python interpreter versions, so move them out of python modules list. Also reverts 53ffc6e0ef395a2bd7651423d9783ad8184be1d0.