Recommendation Tracker Code

Remove xhtml branch

Merge xhtml branch into trunk

Merged changes from the trunk into the xhtml branch

Set tooltip of mixed content text areas to preview the marked up contents.

+ Changed the tooltip text to display "NEW", "DELETED", or "MODIFIED" change types, but ignore "NONE" changetypes.

+ Added a "Touched" view to the recommendation listview that shows which recommendations were added/deleted/modified since the last sync.
- When viewing "touched" recommendations the tooltip text displays the changeType along with the normal tooltip text

Added XHTML support for elements which have such support in XCCDF.
For feature requests:
2844623 - support XHTML on export,
2844622 - support XHTML on import
2019813 - support XHTML in descriptions

+ added another getItem(...) method that takes a list as input

+ More changes to the AbsHelper
+ Started work on integrating the AbsHelper into the ReferenceHelper and the FileTypeHelper
+ Removed Internal Checks from schema
+ Consolidated reference types under one common "References" parent
- didn't touch the java code to use this yet

+ Fixed some of the "getReferenced" type methods in AbsHelper
+ Fully integrated new CommentHelper into comment panels and table models