remove gpu.js

index.html

@@ -11,7 +11,6 @@
   <script src="https://cdnjs.cloudflare.com/ajax/libs/mocha/3.0.2/mocha.min.js"></script>
   <script src="https://cdnjs.cloudflare.com/ajax/libs/chai/3.5.0/chai.min.js"></script>
 
-  <script src="/lib/gpu.min.js"></script>
   <script src="/lib/weblas.js"></script>
   <script src="/dist/keras.js"></script>
 

src/layers/convolutional/Convolution2D.js

@@ -103,7 +103,8 @@ export default class Convolution2D extends Layer {
   }
 
   /**
-   * Pad input tensor if necessary, for borderMode='same'
+   * Pad input tensor if necessary, for borderMode='same'.
+   * See above for notes on calculating padding.
    * @param {Tensor} x
    * @returns {Tensor} x
    */