Bug 315281 update copyrights for 3.6
bundles/org.eclipse.jface.databinding/src/org/eclipse/jface/databinding/viewers/ObservableValueEditingSupport.java
private final ColumnViewerEditorActivationListenerHelper activationListener = new ColumnViewerEditorActivationListenerHelper();
	private ColumnViewer viewer;
	private DataBindingContext dbc;
	/**
	 * Constructs a new instance with the provided <code>viewer</code> and
	 * <code>dbc</code>.
	 * 
	 * @param viewer
	 *            viewer to edit
	 * @param dbc
	 *            dbc to create <code>Bindings</code>
	 */
	public ObservableValueEditingSupport(ColumnViewer viewer,
			DataBindingContext dbc) {
		super(viewer);
		if (dbc == null) {
			throw new IllegalArgumentException("Parameter dbc was null."); 
		}
		this.viewer = viewer;
		this.dbc = dbc;
	}
	/**
	 * Default implementation always returns <code>true</code>.
	 * 
	 * @see org.eclipse.jface.viewers.EditingSupport#canEdit(java.lang.Object)
	 */
	protected boolean canEdit(Object element) {
		return true;
	}
	/**