title: Cant' change KineticJS 5.0.1 PixelRatio
body: <p>Building a canvas with KineticJS 5.0.1 and it looks awful on my Retina screen. I couldn't figure out what was going on because KineticJS jsfiddle's look just fine. Then I realized that jsfiddle uses version 4.3.1. Switched and now everything is beautiful and retina. </p>
  
  <p>Why doesn't v5 handle this automatically anymore? And how can I fix it? I tried to set Kinetic.pixelRatio=2 but that didn't do anything.</p>