Bug 315281 update copyrights for 3.6
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/navigator/CommonViewer.java
* 
	 * @return the CommonDropAdapter
	 * 
	 * @since 3.4
	 */
	protected CommonDropAdapter createDropAdapter() {
		return new CommonDropAdapter(contentService, this);
	}
	
	
	/*
	 * @see ContentViewer#handleLabelProviderChanged(LabelProviderChangedEvent)
	 */
	protected void handleLabelProviderChanged(LabelProviderChangedEvent event) {
		Object[] changed = event.getElements();
		if (changed != null) {
			List others = new ArrayList();
			for (int i = 0; i < changed.length; i++) {
				if (changed[i] == null)
					continue;
				
				if (_mapper != null) {
					if (_mapper.handlesObject(changed[i])) {
						_mapper.objectChanged(changed[i]);
						continue;
					}
				}
				others.add(changed[i]);
			}
			if (others.isEmpty()) {