Bug 131835 Clean up FO related code
Now that FO is not part of BIRT, clean up all references to FO, including the FORenderOption, TailoredForFOP, etc.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/EngineTask.java
* 
	 * @param locale
	 *            the task locale
	 */
	public void setLocale( ULocale locale )
	{
		setLocale(locale.toLocale());
	}
	/**
	 * sets the task context
	 * 
	 * @param context
	 *            the task context
	 */
	public void setAppContext( Map context )
	{
		this.appContext = context;
		executionContext.setAppContext( context );
		
		if ( !context.isEmpty( ) )
		{
			Set entries = context.entrySet( );
			for ( Iterator iter = entries.iterator( ); iter.hasNext( ); )
			{
				Map.Entry entry = (Map.Entry) iter.next( );
				if ( entry.getKey( ) instanceof String )
				{
					addScriptableJavaObject( (String) entry.getKey( ), entry
							.getValue( ) );
				}