Phriction setting.

Summary: One setting.

Test Plan:
- Looked at the setting in the web interface.
- Waved to it
- Introduced myself
- Had a nice conversation
- Made a new friend
- Turns out `phriction.enabled` is a nice guy.

Reviewers: epriestley, chad

Reviewed By: chad

CC: aran, Korvin

Maniphest Tasks: T2255

Differential Revision: https://secure.phabricator.com/D4436

src/__phutil_library_map__.php

@@ -1051,6 +1051,7 @@ phutil_register_library_map(array(
     'PhabricatorPeopleLogsController' => 'applications/people/controller/PhabricatorPeopleLogsController.php',
     'PhabricatorPeopleProfileController' => 'applications/people/controller/PhabricatorPeopleProfileController.php',
     'PhabricatorPeopleQuery' => 'applications/people/PhabricatorPeopleQuery.php',
+    'PhabricatorPhrictionConfigOptions' => 'applications/phriction/config/PhabricatorPhrictionConfigOptions.php',
     'PhabricatorPinboardItemView' => 'view/layout/PhabricatorPinboardItemView.php',
     'PhabricatorPinboardView' => 'view/layout/PhabricatorPinboardView.php',
     'PhabricatorPolicies' => 'applications/policy/constants/PhabricatorPolicies.php',
@@ -2398,6 +2399,7 @@ phutil_register_library_map(array(
     'PhabricatorPeopleLogsController' => 'PhabricatorPeopleController',
     'PhabricatorPeopleProfileController' => 'PhabricatorPeopleController',
     'PhabricatorPeopleQuery' => 'PhabricatorOffsetPagedQuery',
+    'PhabricatorPhrictionConfigOptions' => 'PhabricatorApplicationConfigOptions',
     'PhabricatorPinboardItemView' => 'AphrontView',
     'PhabricatorPinboardView' => 'AphrontView',
     'PhabricatorPolicies' => 'PhabricatorPolicyConstants',

src/applications/phriction/config/PhabricatorPhrictionConfigOptions.php

@@ -0,0 +1,26 @@
+<?php
+
+final class PhabricatorPhrictionConfigOptions
+  extends PhabricatorApplicationConfigOptions {
+
+  public function getName() {
+    return pht("Phriction");
+  }
+
+  public function getDescription() {
+    return pht("Options related to Phriction (wiki).");
+  }
+
+  public function getOptions() {
+    return array(
+      $this->newOption('phriction.enabled', 'bool', true)
+        ->setBoolOptions(
+          array(
+            pht("Enable Phriction"),
+            pht("Disable Phriction"),
+          ))
+        ->setDescription(pht("Enable or disable Phriction."))
+    );
+  }
+
+}