title: Mashape Unirest Java : java.lang.NoClassDefFoundError
body: <p>I'm building an application using Mashape's <a href="http://unirest.io/" rel="nofollow noreferrer">Unirest library</a><code>(unirest-java-1.2.6.jar)</code> .
  I'm getting <code>NoClassDefFoundError</code> during runtime. I tried  <a href="https://stackoverflow.com/a/16596990/1842303">CommonsWare</a>'s method. But it didn't work. Here is the screenshot of Java Build Path. Anything wrong in this screenshot?? </p>
  
  <p><img src="https://i.stack.imgur.com/LweW7.jpg" alt="enter image description here">  </p>