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-1469: Bugfix. Code for hiding template page definitely should be outside of the loop over parameters (think of case when there are no parameters)
VE-1469: Bugfix. Clear falue of input fitler whenever dialog is open.
Merge pull request #4595 from Wikia/VE-1469-fix

VE-1469: Bugfix. Code for hiding template page definitely should be outs...
VE-1454 Comments
VE-1454 Fix jshint error
Merge pull request #4602 from Wikia/VE-1454

VE-1454 Add preview button to template dialog
Merge branch 've-sprint-25' into VE-1470

Conflicts:
	extensions/VisualEditor/modules/ve-mw/ui/dialogs/ve.ui.MWTemplateDialog.js
VE-1470: Cleanup after sprint branch merge