Merge pull request #973 from edx/han/vagrant_script

Build from release instead of master

util/install/vagrant.sh

+#!/bin/sh
 ##
 ## Installs the pre-requisites for running edX on a single Ubuntu 12.04
 ## instance.  This script is provided as a convenience and any of these
-## steps could be executed manually.  
-## 
-## Note that this script requires that you have the ability to run 
+## steps could be executed manually.
+##
+## Note that this script requires that you have the ability to run
 ## commands as root via sudo.  Caveat Emptor!
 ##
 
@@ -27,7 +28,7 @@ sudo pip install --upgrade virtualenv
 ## Clone the configuration repository and run Ansible
 ##
 cd /var/tmp
-git clone https://github.com/edx/configuration
+git clone -b release https://github.com/edx/configuration
 
 ##
 ## Install the ansible requirements
@@ -38,5 +39,4 @@ sudo pip install -r requirements.txt
 ##
 ## Run the edx_sandbox.yml playbook in the configuration/playbooks directory
 ##
-cd /var/tmp/configuration/playbooks
-sudo ansible-playbook -c local ./edx_sandbox.yml -i "localhost,"
+cd /var/tmp/configuration/playbooks && sudo ansible-playbook -c local ./edx_sandbox.yml -i "localhost,"