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

* Removed ugly margins of layout.
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* Use pattern based content provider.
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* Use correct class for creating new objects.
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* Use correct query to find root nodes of specific type.
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* Use containsTransitive instead of hasDescendant to search tree nodes.
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* Refresh only if input has really changed.
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* Add RAP compatible OWL perspective and fix unintended creation of elements in IndividualsPart.
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* Dropped support for "required" ontologies.
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* Rework OWL perspective for RAP.
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* Adjustment of ImportsPart to show local imports
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* Add filter widget for property views.
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* Fixed handling of input.
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* Removed sorter from classes part.
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* Add simple table view and rework namespaces part.
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* Use adapter to publish the current model instead of IModelProvider.
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* Improved imports view.
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* Use bold fonts for local classes and properties.
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* Moved OWL editor components into public packages.
Update notes for submitted changes

* Improved OWL editor.