CON-Venus | Cleanup in BackgroundChanger
Added missing doc, fixed some whitespaces
Mocked wfMessage
CE-1019 Fix methods names
Added more test cases
Address feedback from @lizlux
Simplified condition
VID-2079 updating comments
Merge pull request #5011 from Wikia/VID-2079

Vid 2079 prep gallery JS for outside usage
New files implementing an asynchronous cache.
Updated docs on example script
Fixed spelling error.  Removed unecessary code
Updated docs
adding ->getLanguage() to FileInterface, which defaults to $wgContLang->getCode() for File, and the value of the foreigh wiki's $wgContLang->getCode() for WikiaForeignDBFile
consistently return null
Address feedback from @lizlux
Merge branch 'dev' into VideoSprint59
More code cleanup, fix remaining jslint issues
Changed bucky method name to getBoardModalData per @lizlux
Merge pull request #5037 from Wikia/VID-2047

VID-2047 add bucky profiling to wall notifications js