title: Git not tracking game files with Libgdx
body: <p>I am having issues with using Git with Libgdx.</p>
  
  <p>I simply initialized git in the directory which Libgdx generated.</p>
  
  <p>Whenever I try to push something</p>
  
  <pre><code>On branch master
  Your branch is up-to-date with 'origin/master'.
  Changes not staged for commit:
      modified:   core/src/com/naotoida/mygame (modified content, untracked content)
  
  no changes added to commit
  </code></pre>
  
  <p>It did tell me something about a submodule one time, but I don't use any of those. How can I have Git track <code>core/src/com/naotoida/mygame</code>?</p>
  
  <p>I've already tried <code>git add .</code> which is supposed to include all.</p>