Apply lint rules to Phabricator

Summary: Mostly applies a new call spacing rule; also a few things that have slipped through via pull requests and such

Test Plan: `find src/ -type f -name '*.php' | xargs -n16 arc lint --output summary --apply-patches`

Reviewers: chad

Reviewed By: chad

CC: aran

Differential Revision: https://secure.phabricator.com/D5002

src/applications/diffusion/controller/DiffusionChangeController.php

@@ -14,7 +14,7 @@ final class DiffusionChangeController extends DiffusionController {
       // TODO: Refine this.
       return new Aphront404Response();
     }
-    
+
     $repository = $drequest->getRepository();
     $callsign = $repository->getCallsign();
     $commit = $drequest->getRawCommit();