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.
sync_schema_props_perms('CWSourceHostConfig', syncperms=False)
sql('INSERT INTO cw_source_relation(eid_from, eid_to) '
'SELECT e.eid,s.cw_eid FROM entities as e, cw_CWSource as s '
'WHERE s.cw_name=e.source AND NOT EXISTS(SELECT 1 FROM cw_source_relation WHERE eid_from=e.eid AND eid_to=s.cw_eid)')
commit()