Bug 145724 Change version after auto convert
By the request of 136536, user get warning message to confirm the auto convert. If user select yes, the file convert to newest format, but the version is still old. If user open this file again, he'll get the warning message even the file converted.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
* Finds a style by its name in this module and the included modules.
	 * 
	 * @param name
	 *            name of the style
	 * @return a handle to the style, or <code>null</code> if the style is not
	 *         found
	 */
	public SharedStyleHandle findStyle( String name )
	{
		StyleElement style = module.findStyle( name );
		if ( style == null )
			return null;
		return (SharedStyleHandle) style.getHandle( style.getRoot( ) );
	}
	/**
	 * Finds a theme by its name in this module and the included modules.
	 * 
	 * @param name
	 *            name of the style
	 * @return a handle to the style, or <code>null</code> if the style is not
	 *         found
	 */
	public ThemeHandle findTheme( String name )
	{
		Theme theme = module.findTheme( name );
		if ( theme == null )
			return null;
		return (ThemeHandle) theme.getHandle( theme.getRoot( ) );
	}
	/**