title: Installing gitLab missing modernizer?
body: <p>I try to install gitlab on debian with this turotial: <a href="https://github.com/gitlabhq/gitlabhq/blob/master/doc/install/installation.md">https://github.com/gitlabhq/gitlabhq/blob/master/doc/install/installation.md</a> </p>
  
  <p>I'm at step "Install Gems" and try to run: </p>
  
  <pre><code>sudo -u git -H bundle install --deployment --without development test postgres aws
  </code></pre>
  
  <p>i get this echo: </p>
  
  <pre><code>Fetching source index from https://rubygems.org/
  Could not find modernizr-2.6.2 in any of the sources
  </code></pre>
  
  <p>I don't find a solution for this error I run it as root as well.</p>
  
  <p>Thanks for help.</p>