Bug 496833 - [Tools] Application model editor doesn’t allow to create a ToolBar for a CompositePart Create abstract superclass for Part Editors, extend GUI for CompositePart-Editors. Add VControlsEditor to configure sub-parts of CompositeParts Change-Id: Iefae092e39791c4a0cc3050cbbb6d3e8023a6606 Signed-off-by: Benedikt Kuntz <benedikt.kuntz@airbus.com>