title: Spree-social and omniauth
body: <p>I am new to ruby and have spree-ecommerce application on spree .70 . I am trying to add Facebook Authentication using spree-social. Install request fails , when I follow exact <a href="https://github.com/spree/spree_social" rel="nofollow">steps</a>. Here is what I get:</p>
  
  <pre><code>Could not load 'omniauth'. Please ensure you have the omniauth gem &gt;= 1.0.0 installed and listed in your Gemfile.
  </code></pre>
  
  <p>I see same error even after running gem install omniauth</p>