Rename gettext to cwgettext, use stdlib gettext
cubicweb/gettext.py was a copy of Python 2.6's gettext.py with the
context patch from bug https://bugs.python.org/issue2504
Instead of keeping that full copy, just inherit from
gettext.GNUTranslations and add the context-related stuff.
# -*- coding: utf-8 -*-
# copyright %(year)s %(author)s, all rights reserved.
# contact %(author-web-site)s -- mailto:%(author-email)s
#
%(long-license)s
"""%(distname)s repository side views, usually for notification"""