Bug 27530 [Properties view] CopyPropertyAction does not dispose clipboard
build I20021127 CopyPropertyAction allocates a Clipboard but does not dipose it. Should add a dispose method here, and call it from PropertySheetPage.dispose().
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/properties/PropertySheetPage.java
}
	/* (non-Javadoc)
	 * Method declared on IPage (and Page).
	 */
	public void makeContributions(IMenuManager menuManager, IToolBarManager toolBarManager, IStatusLineManager statusLineManager) {
		
		toolBarManager.add(categoriesAction);
		toolBarManager.add(filterAction);
		toolBarManager.add(defaultsAction);
		
		menuManager.add(categoriesAction);
		menuManager.add(filterAction);
		
		
		viewer.setStatusLineManager(statusLineManager);
	}
	/**
	 * Updates the model for the viewer.
	 * <p>
	 * Note that this means ensuring that the model reflects the state
	 * of the current viewer input. 
	 * </p>
	 */
	public void refresh() {
		if (viewer == null)
			return;
		
		viewer.setInput(viewer.getInput());