title: Little image in embed titles, Discord.js
body: <p>I've been trying to display little images in my embeds titles. But I can't make it work, the whole URL is displayed.<br>
  Code I tried to use:</p>
  
  <pre><code>    var embed = new Discord.RichEmbed()
          .setTitle(message.author.displayAvatar)
          //I tried displayAvatarURL too
          .setDescription('Test');
          channel.send(embed);
  </code></pre>