Add default View, Edit, and Join Policies to Projects

Summary: Fixes T6567, lets admins set a default policy for new Projects.

Test Plan: Changed the default Policy, created a new Project. Project had correct defaults.

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: Korvin, epriestley

Maniphest Tasks: T6567

Differential Revision: https://secure.phabricator.com/D10890

src/applications/project/application/PhabricatorProjectApplication.php

@@ -98,6 +98,18 @@ final class PhabricatorProjectApplication extends PhabricatorApplication {
       ProjectCanLockProjectsCapability::CAPABILITY => array(
         'default' => PhabricatorPolicies::POLICY_ADMIN,
       ),
+      ProjectDefaultViewCapability::CAPABILITY => array(
+        'caption' => pht(
+          'Default view policy for newly created projects.'),
+      ),
+      ProjectDefaultEditCapability::CAPABILITY => array(
+        'caption' => pht(
+          'Default edit policy for newly created projects.'),
+      ),
+      ProjectDefaultJoinCapability::CAPABILITY => array(
+        'caption' => pht(
+          'Default join policy for newly created projects.'),
+      ),
     );
   }