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/util/ModelUtil.java
{
				DesignElementHandle handle1 = (DesignElementHandle) o1;
				DesignElementHandle handle2 = (DesignElementHandle) o2;
				String name1 = handle1.getName( );
				String name2 = handle2.getName( );
				if ( null == name1 )
				{
					if ( null == name2 )
						return 0;
					return -1;
				}
				
				if ( null == name2 )
				{
					return 1;
				}
				return name1.compareTo( name2 );
			}
		} );
		return temp;
	}
	/**
	 * Inserts a default theme to the library slot.
	 * 
	 * @param library
	 *            the target library
	 * @param theme
	 *            the theme to insert
	 */
	public static void insertCompatibleThemeToLibrary( Library library,