Maniphest: order open tasks by date created and don't group by priority, to

make it more like the old bug tracker. Also makes count bugs fairly easy by
just looking at the number on the second or third page.

src/applications/maniphest/query/ManiphestTaskSearchEngine.php

@@ -415,14 +415,18 @@ final class ManiphestTaskSearchEngine
 
     switch ($query_key) {
       case 'all':
-        return $query;
+        return $query
+          ->setParameter('order', 'created')
+          ->setParameter('group', 'none');
       case 'assigned':
         return $query
           ->setParameter('assignedPHIDs', array($viewer_phid))
           ->setParameter('statuses', array(ManiphestTaskStatus::STATUS_OPEN));
       case 'open':
         return $query
-          ->setParameter('statuses', array(ManiphestTaskStatus::STATUS_OPEN));
+          ->setParameter('statuses', array(ManiphestTaskStatus::STATUS_OPEN))
+          ->setParameter('order', 'created')
+          ->setParameter('group', 'none');
       case 'authored':
         return $query
           ->setParameter('authorPHIDs', array($viewer_phid))