PLA-1187 Unify ActivityApi and ArticlesApi docs
PLA-1187 Unify RelatedPages Search Tv and User Api docs
PLA-1187 Unify "e.g." in api docs
PLA-1187 http://www.mediawiki.org/wiki/help:namespaces -> http://community.wikia.com/wiki/Help:Namespaces
PLA-1187 one more eg.: -> e.g.
Merge pull request #3241 from Wikia/PLA-1187

Pla 1187