Fix up registry

* Move to new reg binary.
* Fix --delete on rsync that was blowing away flatpak indexes.
* Fix varnish to not drop requests for pagination on the registry
* Make cron jobs not email maxamillion directly.
* Make cron job ignore INFO output.

tasks/reg-server.yml

@@ -1,16 +1,8 @@
-- name: install reg-server
-  package:
-    name: reg-server
-  tags:
-  - regserver
-  when: env != 'staging'
-
 - name: install reg-server
   package:
     name: reg
   tags:
   - regserver
-  when: env == 'staging'
 
 - name: Copy reg-server repositories html template
   copy: