Modernize documentation links

Summary:
  - Point them at the new Diviner.
  - Make them a little less cumbersome to write.

Test Plan: Found almost all of these links in the UI and clicked them.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Differential Revision: https://secure.phabricator.com/D8553

src/applications/oauthserver/controller/clientauthorization/PhabricatorOAuthClientAuthorizationListController.php

@@ -47,7 +47,7 @@ extends PhabricatorOAuthClientAuthorizationBaseController {
       $updated = phabricator_datetime($authorization->getDateModified(),
         $current_user);
       $scope_doc_href = PhabricatorEnv::getDoclink(
-        'article/Using_the_Phabricator_OAuth_Server.html#scopes');
+        'Using the Phabricator OAuth Server');
       $row = array(
         phutil_tag(
           'a',