update self.cross_allowed from trunk

git-svn-id: http://svn.wikimedia.org/svnroot/pywikipedia/branches/rewrite@11067 6a7f98fc-eeb0-4dc1-a6e2-c2c589a08aa6
wikidata does not trancludes itself, update from r11060

git-svn-id: http://svn.wikimedia.org/svnroot/pywikipedia/branches/rewrite@11068 6a7f98fc-eeb0-4dc1-a6e2-c2c589a08aa6
Localisation updates from http://translatewiki.net.

git-svn-id: http://svn.wikimedia.org/svnroot/pywikipedia/branches/rewrite@11072 6a7f98fc-eeb0-4dc1-a6e2-c2c589a08aa6
Merge remote-tracking branch 'git-svn'