fix improper @ in comment

Author: Stephen Powis

kafka-webview-ui/src/main/java/org/sourcelab/kafka/webview/ui/controller/api/ApiController.java

@@ -401,7 +401,7 @@ public List<ConfigItem> modifyTopicConfig(
      * POST Delete existing topic on cluster.
      * This should require ADMIN role.
      *
-     * @TODO explicitly disabled until custom user roles. https://github.com/SourceLabOrg/kafka-webview/issues/157
+     * @todo explicitly disabled until custom user roles. https://github.com/SourceLabOrg/kafka-webview/issues/157
      */
 //    @ResponseBody
 //    @RequestMapping(path = "/cluster/{id}/delete/topic", method = RequestMethod.POST, produces = "application/json")

kafka-webview-ui/src/test/java/org/sourcelab/kafka/webview/ui/controller/api/ApiControllerTest.java

@@ -198,7 +198,7 @@ public void test_modifyTopic() throws Exception {
 
     /**
      * Test the delete topic end point.
-     * @TODO explicitly disabled until custom user roles. https://github.com/SourceLabOrg/kafka-webview/issues/157
+     * @todo explicitly disabled until custom user roles. https://github.com/SourceLabOrg/kafka-webview/issues/157
      */
     //@Test
     @Transactional