Merge pull request #5467 from Wikia/CE-1125-image-review-vignette

CE-1125 ImageReview refactoring - Prologue
Conflicts:
	extensions/wikia/Scribe/ScribeEventProducer.class.php
Merge pull request #5494 from Wikia/CE-1125-image-review-vignette-hotfix

CE-1125 ImageReview hotfixes
Merge pull request #5516 from Wikia/CE-1125-image-review-fixes2

CE-1125 ImageReview fixes continuation
Conflicts:
	extensions/wikia/Scribe/ScribeEventProducer.class.php
Merge pull request #5519 from Wikia/release-252-image-review

CE-1125 Merge ImageReview fixes from #release-252-image-review