Merge pull request #3948 from Wikia/CON-1295

CON-1295 | WikiaHomePage - 7 hub slots
CON-1303: Added validation for marketing image
Fixed indents from last commit

Fixed indents from last commit - changes in new relic parameters
CR change: removed empty href
CR change: added new line at EOF
CR change: removed empty line
CR change: one line less ;)
CR change: indentation
CR change: removed empty href
CR change: removed empty href
Merge pull request #3951 from Wikia/VID-1776

Let freedom ring by filtering out old IVA videos during ingestion
switch modern version of MultiDeleteTask
first pass at moving over MultiMoveTask
PLAT-75 filling out the dispatch() tests

Added more tests for the execution paths in dipatch().
(CE-909) Apply MW 1.19.17 security release
Merge pull request #3971 from Wikia/CE-909

(CE-909) Apply MW 1.19.17 security release
first pass at migrating MultiWikiEditTask
enabling MultiWikiEditTask
VID-1582 Got image thumbs working with mustache templates
VID-1582 Remove unused controller