title: Upload doesn't start with gsutil
body: <p>I'm trying to update my bucket but when I run:</p>
  
  <pre><code>gsutil -m cp -r ./public/* gs://&lt;My_BUCKET&gt;/
  </code></pre>
  
  <p>the upload doesn't start, it just output the file list and never start. Output:</p>
  
  <pre><code>Copying file://./public/app.js [Content-Type=application/javascript]...
  ... bunch of files here
  / [0/25 files][    0.0 B/  5.1 MiB]   0% Done
  </code></pre>
  
  <p>Edit: Output with <code>-D</code>
  It stuck in this:</p>
  
  <pre><code>--===============1322370341643520847==--
  
  INFO 0126 09:26:03.228240 base_api.py] Body:
  --===============4891318827246988476==
  Content-Type: application/json
  MIME-Version: 1.0
  
  {"bucket": "staging.bluwave.net", "contentLanguage": "en", "contentType": "application/octet-stream", "name": "terms_files/icon"}
  --===============4891318827246988476==
  Content-Type: application/octet-stream
  MIME-Version: 1.0
  Content-Transfer-Encoding: binary
  
  &lt;media body&gt;
  
  --===============4891318827246988476==--
  
  INFO 0126 09:26:03.228621 client.py] Attempting refresh to obtain initial access_token
  INFO 0126 09:26:03.228771 client.py] Attempting refresh to obtain initial access_token
  </code></pre>
  
  <p>What might be the issue?</p>