(bug 43483) MediaWiki:Moodbar-privacy and MediaWiki:Moodbar-privacy-link use lego

Merged messages as appropriate to make them fully translatable.

Change-Id: If396da6655e998a4bca481fa43fa38afd7b85f77
Merge "(bug 43483) MediaWiki:Moodbar-privacy and MediaWiki:Moodbar-privacy-link use lego"