change from post to get on mark message as read

src/main/java/application/controllers/UserController.java

@@ -103,7 +103,7 @@ public class UserController {
         return loginResponse.toString();
     }
 
-    @RequestMapping(value = "/markMessageAsRead/{userId}/{messageId}",  method = RequestMethod.POST)
+    @RequestMapping(value = "/markMessageAsRead/{userId}/{messageId}")
     @ResponseBody
     public String markMessageAsRead(@PathVariable("userId") long userId, @PathVariable("messageId") long messageId) throws JSONException{
         User user = userRepository.findOne(userId);