Merge pull request #332 from arey:feature/browserCache

* pr/332:
  Polish "Enable caching of static resources"
  Enable caching of static resources

src/main/resources/application.properties

@@ -20,3 +20,6 @@ management.endpoints.web.exposure.include=*
 logging.level.org.springframework=INFO
 # logging.level.org.springframework.web=DEBUG
 # logging.level.org.springframework.context.annotation=TRACE
+
+# Maximum time static resources should be cached
+spring.resources.cache.cachecontrol.max-age=12h