some bugfixes

.../de/bmotionstudio/gef/editor/AbstractBControlService.java

...c/de/bmotionstudio/gef/editor/BMSContextMenuProvider.java

...motionstudio/gef/editor/BMotionSelectionSynchronizer.java

.../de/bmotionstudio/gef/editor/BMotionStudioEditorPage.java

...tor/src/de/bmotionstudio/gef/editor/IBControlService.java

...or/src/de/bmotionstudio/gef/editor/action/CopyAction.java

...rc/de/bmotionstudio/gef/editor/action/FitImageAction.java

...e/bmotionstudio/gef/editor/action/OpenObserverAction.java

...r/src/de/bmotionstudio/gef/editor/action/PasteAction.java

.../src/de/bmotionstudio/gef/editor/action/RenameAction.java

.../src/de/bmotionstudio/gef/editor/action/RenameWizard.java

...e/bmotionstudio/gef/editor/part/BControlTreeEditPart.java

...bmotionstudio/gef/editor/part/BMSTreeEditPartFactory.java

...e/bmotionstudio/gef/editor/service/BTableCellService.java

...bmotionstudio/gef/editor/service/BTableColumnService.java