Demo URL doesn't work (CORS issue)

Error log:

> Uncaught DOMException: Failed to execute 'texImage2D' on 'WebGLRenderingContext': The cross-origin image at https://github.com/trueicecold/phaser-scrollable/e2bfe0cd/lightworld_large.gif may not be loaded.
    at b.WebGLRenderer.updateTexture (https://cdn.rawgit.com/trueicecold/phaser-scrollable/e2bfe0cd/phaser.min.js:3:2403)