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/ModuleUtil.java
*            the input stream of the library
	 * @return <code>ModuleUtil.REPORT_DESIGN</code> if the input stream is a
	 *         report design, <code>ModuleUtil.LIBRARY</code> if the input
	 *         stream is a library, <code>ModuleUtil.INVALID</code> otherwise.
	 */
	public static int checkModule( SessionHandle sessionHandle,
			String fileName, InputStream is )
	{
		Module rtnModule = null;
		try
		{
			rtnModule = GenericModuleReader.getInstance( ).read(
					sessionHandle.getSession( ), fileName, is );
		}
		catch ( DesignFileException e )
		{
			return INVALID_MODULE;
		}
		return rtnModule instanceof Library ? LIBRARY : REPORT_DESIGN;
	}
	/**
	 * Finds the result columns on DataSet and update the bound column with the
	 * element that uses this data set. Operations are in persistent
	 * transaction. Hence, operations in the method can not undo/redo.
	 * 
	 * Parts of migration work from BIRT 2.1M5 to BIRT 2.1.0 for bound data
	 * columns.
	 * 
	 * @param module
	 *            the libray/report instance