Update name of deprecated config property

Author: Dave Syer

src/main/resources/application.properties

@@ -22,4 +22,4 @@ logging.level.org.springframework=INFO
 # logging.level.org.springframework.context.annotation=TRACE
 
 # Maximum time static resources should be cached
-spring.resources.cache.cachecontrol.max-age=12h
+spring.web.resources.cache.cachecontrol.max-age=12h