* Renamed ns:-2 and added previous name as alias for backwards
compatibility.
* Renamed NS_TEMPLATE_TALK.
* Added "utilizador/utilizadora" as alias for NS_USER for backwards
compatibility.
* NS_MEDIAWIKI added to avoid issues.
* Renamed NS_PROJECT_TALK and added old naming as alias for backwards
compatibility.
Author: <https://www.mediawiki.org/wiki/User:Athena_in_Wonderland>.
Bug: T180052
Change-Id: I85431339bf24520063077db49d5e9f6b2666bc23