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/executor/ExecutionContext.java
* @return Returns the action handler.
	 */
	public IHTMLActionHandler getActionHandler( )
	{
		return renderOption.getActionHandler( );
	}
	
	/**
	 * @return Returns the action handler.
	 */
	public IHTMLImageHandler getImageHandler( )
	{
		return renderOption.getImageHandler( );
	}
	
	/**
	 * return application class loader.
	 * The application class loader is used to load the report item event handle and 
	 * java classes called in the javascript.
	 * @return class loader
	 */
	public ClassLoader getApplicationClassLoader( )
	{
		return applicationClassLoader;
	}
	/**
	 * the application class loader.
	 * 
	 * The class loader first try to the load the class as following sequence:
	 * <li>1. standard java class loader,