SWF-991 Replace ajax-driven flow attribute with mode=embedded flow input attribute.

spring-webflow-samples/booking-mvc/src/main/webapp/WEB-INF/hotels/booking/booking-flow.xml

@@ -5,8 +5,6 @@
 
 	<secured attributes="ROLE_USER" />
 
-	<ajax-driven />
-	
 	<input name="hotelId" required="true" />
 
 	<on-start>

spring-webflow-samples/booking-mvc/src/main/webapp/WEB-INF/hotels/show.jsp

@@ -10,7 +10,7 @@
 	<br />
 	${hotel.country}
 </address>
-<form action="booking" method="get">
+<form action="booking?mode=embedded" method="get">
 	<p>
 		Nightly Rate:
 		<spring:bind path="hotel.price">${status.value}</spring:bind>