BAC-177: use datamart in RenameUserHelper
BAC-177: use rollup_edit_events in UserRollbackTask.class.php
Video (vid-178): support 5min video embed
Video (vid-178): 5min - update cache key
Merge branch 'vid-178' into VideoSprint26
VID-325 wrapping VET in AMD and doing some JS cleanup while I'm at it.
removing unnecessary code
Merge pull request #900 from Wikia/VID-325-vet-amd

Vid 325 vet amd
removing unused template
PLA-332 add AbTest.js to Search
PLA-342 adding language code to search config, change in building query on interwiki search so it uses config for getting that
PLA-341 adding lang param support to config
PLA-332 preserve ABTest.* parameters in search
PLA-341 filter out exact match that do not meet language in param
Video (vid-178): Fivemin - update getOriginalDescription() in apiwraper
PLA-341 code cleaning
PLA-308 added and changed tests, small changes for cross wiki documentation
PLA-334 introduce scheme for injecting query fieds (and whatever else) using plugin test profiles
VID-103 Translate the File NS before matching
PLA-334 fixed broken unit tests -- now to write new ones