Bug 183733 Implement the IScriptOjectClassInfo to provide the class infromation to support the JS code assistant.
Engine should implement the IScriptObjectClassInfo interface to return the class information for script object.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/script/internal/DynamicTextScriptExecutor.java
{
	public static void handleOnPrepare( TextDataHandle textDataHandle,
			ExecutionContext context )
	{
		try
		{
			IDynamicText text = new DynamicText( textDataHandle );
			if ( handleJS( text, textDataHandle.getOnPrepare( ), context )
					.didRun( ) )
				return;
			IDynamicTextEventHandler eh = getEventHandler( textDataHandle,
					context );
			if ( eh != null )
				eh.onPrepare( text, context.getReportContext( ) );
		}
		catch ( Exception e )
		{
			addException( context, e );
		}
	}
	public static void handleOnCreate( IContent content,
			ExecutionContext context )
	{
		try
		{
			ReportItemDesign textItemDesign = (ReportItemDesign) content