fixing issue with deleting videos from special videos page
fixing issue where addvideobutton code is called in monobook where it's not available.  Also re-formatting the code to be easier to read and adding some comments
addressing feedback from pull request - adding qqq and specifying message rather than using *
Merge pull request #770 from Wikia/bugid-105223-special-videos-delete

fixing issue with deleting videos from special videos page