Various linter fixes

Summary: Self explanatory.

Test Plan: `arc lint`

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D13863

src/applications/home/controller/PhabricatorHomeMainController.php

@@ -219,7 +219,7 @@ final class PhabricatorHomeMainController extends PhabricatorHomeController {
 
     $revisions = $revision_query->execute();
 
-    list($blocking, $active, ) = DifferentialRevisionQuery::splitResponsible(
+    list($blocking, $active,) = DifferentialRevisionQuery::splitResponsible(
         $revisions,
         array($user_phid));