Bug 29163 SafeRunnable needs to be accessible in JFace
We need to be able to access the SafeRunnable in JFace in order that some error protection can be added to preferences and properties dialogs.
bundles/org.eclipse.ui.workbench/extensions/org/eclipse/jface/action/StatusLine.java
* @param name the name (or description) of the subtask
	 * @see IProgressMonitor#subTask(String)
	 */
	public void subTask(String name) {
		String text;
		if (fTaskName.length() == 0)
			text= name;
		else
			text = JFaceResources.format("Set_SubTask", new Object[] {fTaskName, name});
		setMessage(text);		
	}
	
	/**
	 * Trims the message to be displayable in the status line.
	 * This just pulls out the first line of the message.
	 * Allows null.
	 */
	String trim(String message) {
		if (message == null)
			return null;
		int cr = message.indexOf('\r');
		int lf = message.indexOf('\n');
		if (cr == -1 && lf == -1)
			return message;
		int len;
		if (cr == -1)
			len = lf;
		else if (lf == -1)
			len = cr;
		else