Bug 201368 Support "Not In" operator in filter list
Description: After we support "IN" filter we should also support the "Not In" filter. Data part has already support the "Not In" filter, so hope model can support that operator in the filter operator list. Regards!
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleUtil.java
* @param fileName
	 *            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
		{
			ModuleOption options = new ModuleOption( );
			options.setSemanticCheck( false );
			lib = LibraryReader.getInstance( )
					.read( sessionHandle.getSession( ), fileName, is, options );
			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