VE-1528: Infinite scroll for suggestions
VE-1528: Code review
Merge branch 'VE-525' into VE-1528

Conflicts:
	extensions/VisualEditor/wikia/modules/ve/ui/dialogs/ve.ui.WikiaTemplateInsertDialog.js
VE-1528: Removed accidently added space
Merge pull request #4734 from Wikia/VE-1528

VE-1528: Infinite scroll for suggestions