tladmin: Various improvements
tladmin: Various improvements

- Allow non-logged in visitors to browse the translations
- Add 'Recent changes' link to the doc pages
- Add 'incomplete' indication to the doc page links

erengy/vndb,morkt/vndb,morkt/vndb,christian-roggia/vndb,morkt/vndb,christian-roggia/vndb,erengy/vndb,morkt/vndb,erengy/vndb,christian-roggia/vndb,morkt/vndb