Remove @group annotations

Summary: I'm pretty sure that `@group` annotations are useless now... see D9855. Also fixed various other minor issues.

Test Plan: Eye-ball it.

Reviewers: #blessed_reviewers, epriestley, chad

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin, hach-que

Differential Revision: https://secure.phabricator.com/D9859

src/applications/base/PhabricatorApplication.php

@@ -6,10 +6,8 @@
  * @task  uri   URI Routing
  * @task  fact  Fact Integration
  * @task  meta  Application Management
- * @group apps
  */
-abstract class PhabricatorApplication
-  implements PhabricatorPolicyInterface {
+abstract class PhabricatorApplication implements PhabricatorPolicyInterface {
 
   const GROUP_CORE            = 'core';
   const GROUP_UTILITIES       = 'util';