lint: providing a default pylintrc

We can use pylint to enable some further checks on the codebase.
This can help up to have a cleaner codebase. The proposed pylintrc
is adapted from the one used by the Python language to let us
use java-like coding conventions for functions, methods and such.

Change-Id: Ia41d2bf225e0b5e47a0e2718b906fbd44f5a54e9
Signed-off-by: Giuseppe Vallarelli <gvallare@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/17772
Reviewed-by: Sandro Bonazzola <sbonazzo@redhat.com>
Reviewed-by: Antoni Segura Puimedon <asegurap@redhat.com>
Reviewed-by: Dan Kenigsberg <danken@redhat.com>