Add an edit link on hover for Project profile images

Summary: Minor point of polish, but feels really nice. Hover over photo and edit a link to change the picture.

Test Plan:
hover hover, clicky clicky

{F1069179}

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D15109

src/applications/project/controller/PhabricatorProjectProfileController.php

@@ -31,6 +31,15 @@ final class PhabricatorProjectProfileController
       $header->setStatus('fa-ban', 'red', pht('Archived'));
     }
 
+    $can_edit = PhabricatorPolicyFilter::hasCapability(
+      $viewer,
+      $project,
+      PhabricatorPolicyCapability::CAN_EDIT);
+
+    if ($can_edit) {
+      $header->setImageEditURL($this->getApplicationURI("picture/{$id}/"));
+    }
+
     $properties = $this->buildPropertyListView($project);
 
     $watch_action = $this->renderWatchAction($project);