Reduces the amount of markup on _fields=true to speed up previews.
Fixes word count to work in RTE again.
Adds the ability to preview the RTE with all the changes accepted and comments removed.
Changes $.rte to remember track changes state across page refreshes.
Changes publishing widget not to show the draft message if saving new and there are errors.
Fixes track changes feature inserting text backwards in certain situations.
include 'button' in the up/down RTE logic
Changes Content.Static#publish to keep track of every save instead of ignoring invisible items.
Adds status labels to ContentRevision history entries.
Merge branch 'release/2.3'