Pin devstack to the release branch of configuration.

playbooks/vagrant-devstack.yml

@@ -16,7 +16,6 @@
   roles:
     - edx_ansible
     - edxlocal
-    - supervisor
     - mongo
     - edxapp
     - oraclejdk

vagrant/release/devstack/Vagrantfile

@@ -16,9 +16,9 @@ cd /edx/app/edx_ansible/edx_ansible/playbooks
 # The vagrant-devstack.yml playbook will also do this, but only
 # after loading the playbooks into memory.  If these are out of date,
 # this can cause problems (e.g. looking for templates that no longer exist).
-/edx/bin/update configuration master
+/edx/bin/update configuration release
 
-ansible-playbook -i localhost, -c local vagrant-devstack.yml --tags=deploy
+ansible-playbook -i localhost, -c local vagrant-devstack.yml --tags=deploy -e configuration_version=release
 SCRIPT
 
 edx_platform_mount_dir = "edx-platform"