Fix typo in Archisurance example
Fix global key bindings not cleared when adding new View in Models Tree

* Give Focus to Models Tree
* Fixes a bug where on Mac the Backspace key is not released from the Global Action Handler
* CellEditorGlobalActionHandler has constructor that takes ActionBars
Update version and help to 2.2.3
Fix preferred figure type not used when adding elements from Models Tree to a View

* Set type of figure when DND from Tree
Can now connect lines between View reference figures and other figures

* Adjust Connection Policies
Double-click in blank area of User Properties Table creates new Property
Add Eclipe license for source
Add background attribute to Sketch model
Can now change background image of a Sketch View on a per-view basis

* Change background image of a Sketch View on a per-view basis to one of "None", "Brown Paper", or "Cork"
* New preference for default image to use for new Sketch Views
Update Help for new Sketch View feature
Fix Magic Connector sometimes not creating selected connection on Mac

* setCurrentCommand(Command) aws sometimes being re-set by the system when the context menu was visible. This guards against that
Don't use NonNotifyingCompoundCommand on Orphan child command

* Using a NonNotifyingCompoundCommand causes a big tree refresh
* Speeds things up when dragging and dropping child elements in a view
Don't refresh whole tree in TreeViewpointFilterProvider

* When switching views dont's call TreeViewer.refresh() for the whole tree
* Ascertain only the model node that needs refreshing
Optimise Tree refresh in response to model notifications

* Buffer numerous model notifications and consolidate tree nodes that need refreshing
* This makes things much faster if there are many tree nodes open
Update version number to 2.3.0
Use correct variable name for Relationships XML file

* It was using the identifier RELATIONSHIPS_1_0_FILE
* Now uses RELATIONSHIPS_FILE
Update Help files for version 2.3.0
Generate XSD schema files from genmodel
Jasper Reports - Let ViewChildrenDataSource implement IPropertiesDataSource

* Allow this so that the properties of an element can be retrieved
ZipUtils - close stream on returning null