VE-821 Fix disappearing loading indicator
Merge pull request #3024 from Wikia/VE-821

VE-821 Fix disappearing loading indicator
VE-821: Fix incorrect comparision against "undefined", also minor cleanup to variables name.
Merge pull request #3065 from Wikia/VE-821-1

VE-821: Fix incorrect comparision against "undefined", also minor cleanu...
Merge pull request #3084 from Wikia/ve-sprint-13

VE Sprint 13