Bug 152830 Need model's support to add jar files
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
* Reloads all libraries this module included.
	 * <p>
	 * Call this method cautiously ONLY on the condition that the library file
	 * is REALLY changed outside. After reload successfully, the command stack
	 * is cleared.
	 * 
	 * {@link #reloadLibrary(LibraryHandle)}
	 * @throws SemanticException 
	 * @throws DesignFileException 
	 */
	public void reloadLibraries( ) throws SemanticException,
			DesignFileException
	{
		for ( Iterator iter = getLibraries( ).iterator( ); iter.hasNext( ); )
		{
			LibraryHandle library = (LibraryHandle) iter.next( );
			reloadLibrary( library );
		}
	}
	/**
	 * Reloads the library with the given library file path. If the library
	 * already is included directly or indirectly(that is, the reload path could
	 * be the path of grandson of this module), reload it. If the library is not
	 * included, exception will be thrown.
	 * <p>
	 * Call this method cautiously ONLY on the condition that the library file
	 * is REALLY changed outside. After reload successfully, the command stack
	 * is cleared.
	 * 
	 * @param reloadPath