title: How to use Submodules with EGit
body: <p>The Eclipse Team Provider for Git works but i do not see any changes for submodules when I use synchronize.<br>
  I see changes with the diff on the command line and also with tortoise i see the changes. </p>
  
  <p>So, does anyone know ho to use Git and Eclipse in a way that synchronize and commit works with submodules?</p>