Fix autocloud backend to work with --check/--diff

roles/autocloud/backend/tasks/main.yml

@@ -21,6 +21,7 @@
   command: redis-cli --scan --pattern tunirports
   changed_when: False
   register: tunirports
+  always_run: true
   tags:
   - autocloud
   - autocloud/backend
@@ -85,6 +86,7 @@
   - gcc
   - vagrant
   register: virtualbox_installed
+  always_run: true
   when: autocloud_specialization == 'virtualbox'
   notify:
   - restart fedmsg-hub