misc updates

  * Wait for salt-master and salt-minion to wake up after restart
  * fix aptly publisher config path
  * refactor cleanup
  * remove multiverse from ubuntu_base.
    It was never packed into offline - so, should be safe to remove.

Change-Id: Ic5bd8d8085af5db10d52063bff50be41031ef248
diff --git a/day01-image/template.json b/day01-image/template.json
index c4ff8de..cfaa73f 100644
--- a/day01-image/template.json
+++ b/day01-image/template.json
@@ -87,6 +87,8 @@
       "scripts": [
         "scripts/security.sh",
         "scripts/cleanup.sh",
+        "scripts/cleanup_salt.sh",
+        "scripts/cleanup_day01.sh",
         "scripts/info.sh",
         "scripts/zerodisk.sh"
       ]
@@ -135,7 +137,7 @@
       "ssh_password": "{{user `password`}}",
       "ssh_host_port_min": 7000,
       "ssh_host_port_max": 7050,
-      "shutdown_command": "shutdown -P now",
+      "shutdown_command": "pgrep -f 'sshd: root@' | xargs kill -9 ; shutdown -P now",
       "boot_wait": "2s",
       "ssh_wait_timeout": "360s"
     }