Added comments about how to store DPI Information into images.
Fix: Do not handle Enter Key on client, if editor is inside a table or tree
Fix: NPE in case of delete on values changed.
In case of focus NAVIGATION_NONE and ENTER_KEY keep focus.
Fixed intern style handling, in case the resource changes.
Do not trigger repaint on every notify repaint.
Fix typo setPointRadius
Changed PointStyles to enumeration.