0.13dev: Added a `pylint` make target.
0.13dev: Added a `pylint` make target.

Unfortunately, my pylint (0.23.0) crashes, presumably in astng (0.21.1).


git-svn-id: 0d96b0c1a6983ccc08b3732614f4d6bfcf9cbb42@10708 af82e41b-90c4-0310-8c96-b1721e28e2e2

rbaumg/trac,rbaumg/trac,rbaumg/trac,rbaumg/trac