title: cannot use intellij's scenebuilder with jfoenix
body: <p>I have created a javafx project using java 9.0.4. The code can be compiled and works.
  and I can use the Internal sceneBuilder.</p>
  
  <p>but when I import an element from the Jfoenix 9.0.1 library I can't use the sceneBuilder anymore.</p>
  
  <p>I get this error:</p>
  
  <blockquote>
    <p>java.lang.UnsupportedClassVersionError: com/jfoenix/controls/JFXButton has been compiled by a more recent version of the Java Runtime (class file version 53.0), this version of the Java Runtime only recognizes class file versions up to 52.0</p>
  </blockquote>
  
  <p>also I've added the library to the project structure.</p>
  
  <p>Is there a way to change the version of Java Runtime that this part uses?</p>