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 locale.
	 */
	public Locale getLocale( )
	{
		return locale;
	}
	/**
	 * @param locale
	 *            The locale to set.
	 */
	public void setLocale( Locale locale )
	{
		this.locale = locale;
		this.scriptContext.getContext( ).setLocale( locale );
	}
	/**
	 * @return Returns the report.
	 */
	public Report getReport( )
	{
		if ( runnable != null )
		{
			return runnable.getReportIR( );
		}
		return null;
	}
	public void openDataEngine( )
	{
		if ( dataEngine == null )