resourcesCtr = null;
bgEditCntrllr = null;
bgpm = null;
CollaborationTools collabTools = CollaborationToolsFactory.getInstance().getCollaborationToolsIfExists(businessGroup);
if (collabTools != null) collabTools.removeAndDisposeChatController();
// deRegister for events...
CoordinatorManager.getCoordinator().getEventBus().deregisterFor(this, this.businessGroup);
//deregister for AssessmentEvents
userSession.getSingleUserEventCenter().deregisterFor(this, assessmentEventOres);