title: Wicked_pdf and utf8 symbol
body: <p>In my generated pdf I get this</p>
  
  <pre><code>0,00 â‚¬
  </code></pre>
  
  <p>instead of </p>
  
  <pre><code>0,00 €
  </code></pre>
  
  <p><strong>Application.html.erb</strong></p>
  
  <pre><code>  &lt;meta charset="utf-8"&gt;
    &lt;meta http-equiv="content-type" content="text/html; charset=utf-8" /&gt;
  </code></pre>
  
  <p><strong>show.html.erb</strong></p>
  
  <pre><code>&lt;%=number_to_currency item.total%&gt;
  </code></pre>