message: WebGL: Fixes broken paths in custom node program example
diff: * a custom fragment shader (./custom-node-fragment-shader.glsl) that will draw
  * a disc inside the nodes.
  */
  -import Program from '../src/renderers/webgl/programs/program';
  -import {floatColor} from '../src/renderers/webgl/utils';
  +import Program from '../../src/renderers/webgl/programs/program';
  +import {floatColor} from '../../src/renderers/webgl/utils';
  import vertexShaderSource from '../../src/renderers/webgl/shaders/node.fast.vert.glsl';
  import fragmentShaderSource from './custom-node-fragment-shader.glsl';
  