Refs #5253: Entity attributes are populated on first save()
fixes duplicate wordcount bug when multiple longtext inputs are rendered on the same page
Fixes #5009 return null if plugin does not exist
Merge pull request #5326 from beck24/ckeditor-duplicate-wordcount

fixes duplicate wordcount bug when multiple longtext inputs are rendered...
Fixes #5081 simpler check for non-view files and deprecated some unused code
Merge pull request #5270 from mrclay/5253-save2

Refs #5253: Entity attributes are populated on first save()
added database queue
ported notifications code to use DIC with service class
updated documentation for notifications service factory