Code to remove articles in the RelatedVideos namespace.

BugID: 95403
Add try/catch to make this runnable in dev.  Be explicit about the namespace in the title so we don't have to alter nukePage.php

BugID: 95403
Rewrote to nuke pages w/o shelling out, simplifying a lot.  Eliminated unecessary group by.

BugID: 95403
Merge branch 'bugid-95403' into dev
Merge branch 'dev' of github.com:Wikia/app into dev