Tree view will highlight its selected items when it renders.
Updating with tent which fixes initial form values.
Adding test for initial tree selection.
Removing dump() from test.
Group becomes a first-class attribute of personalisation
Fix up locked filter behaviour. Add bindings.
Prevent scroll blocking so that scroll does not get out of synch.
Ensure locked property is set for IE
Save filter before saving personalisation.
Fix up unit tests
Updating tent after rebase
Refactor: move personalisation methods to collection.