Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
* Adds the given SWT tree listener to the given SWT control.
	 * 
	 * @param control
	 *            the SWT control
	 * @param listener
	 *            the SWT tree listener
	 */
	protected abstract void addTreeListener(Control control,
			TreeListener listener);
	/*
	 * (non-Javadoc)
	 * 
	 * @see StructuredViewer#associate(Object, Item)
	 */
	protected void associate(Object element, Item item) {
		Object data = item.getData();
		if (data != null && data != element && equals(data, element)) {
			
			
			
			unmapElement(data, item);
			item.setData(element);
			mapElement(element, item);
		} else {
			
			super.associate(element, item);
		}
	}
	/**
	 * Collapses all nodes of the viewer's tree, starting with the root. This