Bug 170668 [DataBinding] [Patch] Add SWTObservables.observeTooltipText()
Adds support for binding to SWT Control TooltipText property.
bundles/org.eclipse.jface.databinding/src/org/eclipse/jface/internal/databinding/internal/swt/SWTProperties.java
/*******************************************************************************
 * Copyright (c) 2005, 2006 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.internal.swt;
/**
 * Constants used to describe properties of SWT controls.
 * 
 * @since 1.0
 *
 */
public interface SWTProperties {
	/**
	 * Applies to Control
	 */
	public static final String ENABLED = "enabled"; 
	/**
	 * Applies to Control
	 */
	public static final String VISIBLE = "visible"; 
	/**