Correct v4 release date.

_includes/changelog.html

@@ -1,6 +1,6 @@
 <h2>Changes<a href="#changelog"></a></h2>
 <ul>
-  <li><code>v4.0.0</code> 4/2/16 - Rewrite in ES6 with babel. Remove jQuery and Modernizr dependencies. Remove support for IE&lt;11. Docs improvements. Switch to gulp build system with webpack.</li>
+  <li><code>v4.0.0</code> 4/20/16 - Rewrite in ES6 with babel. Remove jQuery and Modernizr dependencies. Remove support for IE&lt;11. Docs improvements. Switch to gulp build system with webpack.</li>
   <li><code>v3.1.0</code> 3/23/15 - Allow zero speed option (<a href="https://github.com/Vestride/Shuffle/issues/64">#64</a>) and cancel previous animations instead of ignoring new ones (<a href="https://github.com/Vestride/Shuffle/issues/69">#69</a>). Handle non-integer columns better (<a href="https://github.com/Vestride/Shuffle/issues/46">#46</a>)</li>
   <li><code>v3.0.4</code> 2/16/15 - Publish to NPM.</li>
   <li><code>v3.0.2</code> 1/21/15 - Remove from jQuery plugins directory.</li>

js/page.js

@@ -173,8 +173,8 @@ Modules.Favicon = (function (doc) {
     // Chrome chokes on this. It looks like it can handle 4 frames per second
     this.fps = 24;
 
-    // No #favicon element or browser doesn't support canvas or < IE9, stop
-    if (!doc.getElementById('favicon') || !this.canvas.getContext || this.html.className.indexOf('lt-ie9') > -1) {
+    // No #favicon element, stop
+    if (!doc.getElementById('favicon')) {
       return;
     }