Set every Class in Model [Serializable] and commented out implementation of ISerializable, beause it is not needed for Serialization. Added a load Funciton to the SaveVisitor, and kept the visit() mehtods except of visit(Project) unImplemented, because they are not really needed. changed Project.accept, not to call visit on every member. On top pf that Implemented little testing class in EditorTest
Merge branch 'Export'
Implemented static SaveLoadController as a exchange für SaveVisitor. Added some documentations to the ModelClasses.
Merge branch 'master'
Merge branch 'master'