Merge pull request #287 from euphmat/patch-1

pinterest is a duplicate.

Author: jlukic

server/documents/elements/icon.html.eco

@@ -1300,7 +1300,6 @@ themes      : ['Default']
         <div class="column"><i class="pied piper alternate icon"></i>Pied Piper Alternate</div>
         <div class="column"><i class="pied piper hat icon"></i>Pied Piper Hat</div>
         <div class="column"><i class="pinterest icon"></i>Pinterest</div>
-        <div class="column"><i class="pinterest icon"></i>Pinterest</div>
         <div class="column"><i class="pinterest square icon"></i>Pinterest Square</div>
         <div class="column"><i class="pocket icon"></i>Pocket</div>
         <div class="column"><i class="product hunt icon"></i>Product Hunt</div>