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/wizard/Wizard.java
/**
 * Creates a new empty wizard.
 */
protected Wizard() {
	super();
}
/**
 * Adds a new page to this wizard. The page is inserted at the
 * end of the page list.
 *
 * @param page the new page
 */
public void addPage(IWizardPage page) {
	pages.add(page);
	page.setWizard(this);
}
/**
 * The <code>Wizard</code> implementation of this <code>IWizard</code>
 * method does nothing.
 * Subclasses should extend if extra pages need to be added before
 * the wizard opens. New pages should be added by calling <code>addPage</code>.
 */
public void addPages() {
}
/* (non-Javadoc)
 * Method declared on IWizard.
 */
public boolean canFinish() {
	
	for (int i= 0; i < pages.size(); i++) {