Fix pylint on some Python modules.
Fix pylint on some Python modules.

Pylint either requires path to a package or a module, passing a path to
a directory which is not a package doesn't work and such directory is
simply skipped so we need to pass paths to actual Python files /
modules.

StackStorm/st2,StackStorm/st2,nzlosh/st2,Plexxi/st2,Plexxi/st2,tonybaloney/st2,nzlosh/st2,tonybaloney/st2,nzlosh/st2,Plexxi/st2,Plexxi/st2,nzlosh/st2,tonybaloney/st2,StackStorm/st2,StackStorm/st2