VID-2138 Rename method
VID-2138 use AsyncCache for VideosModule
VID-2138 Use new controller setting style, remove unused vars
VID-2138 update comment
VID-2138 add documentation
VID-2138 Add support for negative caching
VID-2138 Add logging
VID-2138 properly escape our messages
VID-2138 consolidate methods
VID-2138 update comment, remove debugging line
VID-2138 code review changes
Merge pull request #5672 from Wikia/VID-2138

VID-2138 Update VideosModule::getWikiRelatedVideosTopics to use AsyncCache