title: git submodule update via ssh error
body: <p>I cloned the application commcare-hq after installing python and django in my cpanel. here's the link: <a href="https://github.com/dimagi/commcare-hq" rel="nofollow noreferrer">https://github.com/dimagi/commcare-hq</a> but whenever i enter the following command</p>
  
  <pre><code>git submodule update --init --recursive
  </code></pre>
  
  <p>i get the following error</p>
  
  <pre><code>fatal: clone of 'git://github.com/dimagi/xml2json.git' into submodule path 
  '/home/hcdcnetl/myProject/commcare-hq/submodules/xml2json' failed
  Failed to clone 'submodules/xml2json'. Retry scheduled
  Cloning into '/home/hcdcnetl/myProject/commcare- 
  hq/corehq/apps/hqmedia/static/hqmedia/MediaUploader'...
  fatal: unable to connect to github.com:
  github.com[0: 192.30.253.113]: errno=Connection refused
  github.com[1: 192.30.253.112]: errno=Connection refused
  </code></pre>