some cleanup

org.fortiss.tooling.kernel/trunk/plugin.xml

...s.tooling.kernel/trunk/schema/modelConstraintChecker.exsd

...iss.tooling.kernel/trunk/schema/modelStorageProvider.exsd

...rc/org/fortiss/tooling/kernel/ToolingKernelActivator.java

...fortiss/tooling/kernel/base/EObjectAware2ServiceBase.java

.../fortiss/tooling/kernel/base/EObjectAwareServiceBase.java

...fortiss/tooling/kernel/interfaces/IConstraintChecker.java

...rtiss/tooling/kernel/interfaces/IConstraintViolation.java

...ing/kernel/interfaces/ITopLevelElementChangeListener.java

.../fortiss/tooling/kernel/internal/CommandStackService.java

...rg/fortiss/tooling/kernel/internal/CompositorService.java

...rg/fortiss/tooling/kernel/internal/ConstraintService.java

...g/fortiss/tooling/kernel/internal/PersistencyService.java

...org/fortiss/tooling/kernel/internal/PrototypeService.java

...kernel/internal/storage/eclipse/AutoUndoCommandStack.java

...nel/internal/storage/eclipse/EMFTransactionalCommand.java

...ernal/storage/eclipse/EclipseResourceStorageProvider.java

...tooling/kernel/internal/storage/eclipse/ModelContext.java

...g/fortiss/tooling/kernel/services/IConstraintService.java

.../org/fortiss/tooling/kernel/util/ExtensionPointUtils.java