Various spec file fixes for building on Fedora.

* Require MySQL-python instead of python-mysql on Fedora.
* Require python-django-south instead of python-South (works for Suse as well).
* Include ".py*' files in filelist to cover '.pyc' and '.pyo' files.
* Don't list /usr/lib/obs/service file twice.

Signed-off-by: Oleg Girko <oleg.girko@jolla.com>
Allow '~' and '%' in URLs.

Signed-off-by: Oleg Girko <oleg.girko@jolla.com>