VE-1454 Add preview button to template dialog
VE-1454: Ignore the first "change" event because it comes from process, which effectively is the same one that gives us onTransclusionReady
VE-1454 Comments
VE-1454 Fix jshint error
Merge pull request #4602 from Wikia/VE-1454

VE-1454 Add preview button to template dialog