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
* through JavaScript.
	 * 
	 * @param name
	 *            variable name
	 * @param value
	 *            variable value
	 */
	public void registerBean( String name, Object value )
	{
		transientBeans.put( name, value );
		scriptContext.registerBean( name, value );
	}
	public void unregisterBean( String name )
	{
		transientBeans.remove( name );
		scriptContext.registerBean( name, null );
	}
	public Map getBeans( )
	{
		return transientBeans;
	}
	public void registerGlobalBeans( Map map )
	{
		if ( map != null )
		{
			Iterator iter = map.entrySet( ).iterator( );
			while ( iter.hasNext( ) )
			{
				Map.Entry entry = (Map.Entry) iter.next( );
				Object keyObj = entry.getKey( );