Conditionally enable MimeMagicLite
Spelling fix
Video (vid-313): FilePage - comment out unused hook for global usage
Video (vid-313): FilePage - update query for global usage

Conflicts:
	extensions/wikia/FilePage/FilePageController.class.php
Video (vid-313): VideoPage - update caching time for global usage

Conflicts:
	extensions/wikia/FilePage/FilePageController.class.php
Additional wfProfileIn/Out calls
Removed unnecessary array checking