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 file name of the library
	 * @param is
	 *            the input stream of the library
	 * @return true if the library resource is a valid library, otherwise false
	 */
	public static boolean isValidLibrary( SessionHandle sessionHandle,
			String fileName, InputStream is )
	{
		Library lib = null;
		try
		{
			lib = LibraryReader.getInstance( ).read(
					sessionHandle.getSession( ), fileName, is );
			return lib != null;
		}
		catch ( DesignFileException e )
		{
			return false;
		}
	}
	/**
	 * Checks the input stream with given file name. If it is a valid
	 * design/library, return <code>ModuleUtil.REPORT_DESIGN</code>/<code>ModuleUtil.LIBRARY</code>,
	 * otherwise, <code>ModuleUtil.INVALID</code> is return.
	 * 
	 * @param sessionHandle
	 *            the current session of the library
	 * @param fileName
	 *            the file name of the library
	 * @param is