PLA-1487 merge to r227
Extra sanitization
Merge pull request #3709 from Wikia/PLA-1487-r227_3

Pla 1487 r227 3
Merge remote-tracking branch 'origin/release-227' into PLA-1518r227

Conflicts:
	extensions/wikia/HubRssFeed/HubRssFeedSpecialController.class.php