Update homepage of site

Author: mrmrs

index.html

@@ -51,9 +51,9 @@ <h1>Getting Started</h1>
             <p class="measure lh-copy">
               Copy the line of code below and paste it in the head of the html file(s) you want to include tachyons in.
             </p>
-<pre class="pre black-70" style="overflow: auto"><code class="code f6 dib pa2 bg-near-white" style="font-size: 14px;">&lt;link rel="stylesheet" href="https://tachyons-css.s3.amazonaws.com/4.0.1-beta/tachyons.min.css"&gt;</code></pre>
+<pre class="pre black-70" style="overflow: auto"><code class="code f6 dib pa2 bg-near-white" style="font-size: 14px;">&lt;link rel="stylesheet" href="https://npmcdn.com/tachyons@4.0.0-beta.5/css/tachyons.min.css"&gt;</code></pre>
 <p class="mt4"><b>or</b> install via npm</p>
-<pre class="pre black-70" style="overflow: auto"><code class="code f6 dib pa2 bg-near-white" style="font-size: 14px;">npm install --save-dev tachyons</code></pre>
+<pre class="pre black-70" style="overflow: auto"><code class="code f6 dib pa2 bg-near-white" style="font-size: 14px;">npm install --save-dev tachyons@4.0.0-beta.5</code></pre>
 <p class="mt4"><b>or</b> grab all the source files and build+develop locally</p>
 <pre class="pre black-70" style="overflow: auto"><code class="code f6 dib pa2 bg-near-white" style="font-size: 14px;">git clone git@github.com:tachyons-css/tachyons.git
 cd tachyons