Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.jface/src/org/eclipse/jface/wizard/WizardDialog.java
finishButton.setEnabled(canFinish);
		
		if (canFlipToNextPage && !canFinish) {
			getShell().setDefaultButton(nextButton);
		} else {
			getShell().setDefaultButton(finishButton);
		}
	}
	/**
	 * Update the message line with the page's description.
	 * <p>
	 * A discription is shown only if there is no message or error message.
	 * </p>
	 */
	private void updateDescriptionMessage() {
		pageDescription = currentPage.getDescription();
		setMessage(pageDescription);
	}
	/*
	 * (non-Javadoc) Method declared on IWizardContainer.
	 */
	public void updateMessage() {
		if (currentPage == null) {
			return;
		}
		pageMessage = currentPage.getMessage();
		if (pageMessage != null && currentPage instanceof IMessageProvider) {
			pageMessageType = ((IMessageProvider) currentPage).getMessageType();
		} else {
			pageMessageType = IMessageProvider.NONE;