Exported prior reviews from Gerrit Code Review
Update notes for submitted changes

* Cache item labels to prevent exception due to missing db connection.
Update notes for submitted changes

* Modified the 'Add Property' menu entry in owl editor so that new entries will be added to the selected level.
Update notes for submitted changes

* Smarter filtering for content proposals.
Update notes for submitted changes

* Fix out of bounds exception.
Update notes for submitted changes

* Use new way to set includeInferred for queries.
Update notes for submitted changes

* Delay auto activation of proposals.
Update notes for submitted changes

* Allow registration of editing support implementations as adapters.
Update notes for submitted changes

* Allow ad hoc creation of resources with a '[<name>] a <some class>' constructor.
Update notes for submitted changes

* Fixed transaction handling and removal of blank nodes.
Update notes for submitted changes

* Fixed bug when adding new properties.
Update notes for submitted changes

* Improve property tree.
Update notes for submitted changes

* Fixed NPE when editing predicates.
Update notes for submitted changes

* Cleanup of proposal support.
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* Add some validation support when editing values.
Update notes for submitted changes

* Fixed NPE if target for tooltip is null.
Update notes for submitted changes

* Fixed NPE when no item selected within the TreeViewer
Update notes for submitted changes

* Adjustment of content proposal behaviour for resource editing
Update notes for submitted changes

* Improved support for resource proposals.
Update notes for submitted changes

* Fixed resource proposals.