Minor tidying of some Aphlict code

Summary: Self-explanatory.

Test Plan: Eyeball it.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11424

src/applications/notification/client/PhabricatorNotificationClient.php

@@ -6,15 +6,14 @@ final class PhabricatorNotificationClient {
 
   public static function getServerStatus() {
     $uri = PhabricatorEnv::getEnvConfig('notification.server-uri');
-    $uri = new PhutilURI($uri);
-
-    $uri->setPath('/status/');
+    $uri = id(new PhutilURI($uri))
+      ->setPath('/status/');
 
     list($body) = id(new HTTPSFuture($uri))
       ->setTimeout(3)
       ->resolvex();
 
-    $status = json_decode($body, true);
+    $status = phutil_json_decode($body);
     if (!is_array($status)) {
       throw new Exception(
         pht(

src/applications/notification/setup/PhabricatorAphlictSetupCheck.php

@@ -37,8 +37,8 @@ final class PhabricatorAphlictSetupCheck extends PhabricatorSetupCheck {
         ->addRelatedPhabricatorConfig('notification.server-uri')
         ->addCommand(
           pht(
-            "(To start the server, run this command.)\n".
-            "phabricator/ $ ./bin/aphlict start"));
+            "(To start the server, run this command.)\n%s",
+            'phabricator/ $ ./bin/aphlict start'));
 
       return;
     }