VID-192 adding tabs to FilePage
VID-192 tabs i18n
VID-192 removing comment
VID-192 placing caption inside tabbed content
VID-191 Make sure we include all the same things the original ImagePage what-links-here section included, notably pages that linked to redirects of the current file page.
Merge pull request #630 from Wikia/VID-188

VID-188 added is_video flag to video search query clauses
VID-192 adding qqq for new i18n messages
Merge pull request #613 from Wikia/VID-192-file-page-tabs

Vid 192 file page tabs
Cherry picked roberts search changes
Merge branch 'VideoSprint22' into vid-193