Bump version number in header and instructions

Author: mrmrs

components/index.html

@@ -21,7 +21,7 @@
       <a href="/" class="dib f5 f4-ns fw6 mt0 mb1 link black-50 dim" title="Home">
         Tachyons
         <div class="dib">
-          <small class="nowrap f6 mt2 mt3-ns pr2 black-50 fw2">v4.0.0-beta.7</small>
+          <small class="nowrap f6 mt2 mt3-ns pr2 black-50 fw2">v4.0.0-beta.12</small>
         </div>
       </a>
     </div>

docs/table-of-styles/index.html

@@ -25,7 +25,7 @@
       <a href="/" class="dib f5 f4-ns fw6 mt0 mb1 link black-50 dim" title="Home">
         Tachyons
         <div class="dib">
-          <small class="nowrap f6 mt2 mt3-ns pr2 black-50 fw2">v4.0.0-beta.7</small>
+          <small class="nowrap f6 mt2 mt3-ns pr2 black-50 fw2">v4.0.0-beta.12</small>
         </div>
       </a>
     </div>

index.html

@@ -23,7 +23,7 @@
       <a href="/" class="dib f5 f4-ns fw6 mt0 mb1 link black-50 dim" title="Home">
         Tachyons
         <div class="dib">
-          <small class="nowrap f6 mt2 mt3-ns pr2 black-50 fw2">v4.0.0-beta.7</small>
+          <small class="nowrap f6 mt2 mt3-ns pr2 black-50 fw2">v4.0.0-beta.12</small>
         </div>
       </a>
     </div>
@@ -60,9 +60,9 @@ <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://npmcdn.com/tachyons@4.0.0-beta.7/css/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.12/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@4.0.0-beta.7</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.12</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

src/templates/header.html

@@ -4,7 +4,7 @@
       <a href="/" class="dib f5 f4-ns fw6 mt0 mb1 link black-50 dim" title="Home">
         Tachyons
         <div class="dib">
-          <small class="nowrap f6 mt2 mt3-ns pr2 black-50 fw2">v4.0.0-beta.7</small>
+          <small class="nowrap f6 mt2 mt3-ns pr2 black-50 fw2">v4.0.0-beta.12</small>
         </div>
       </a>
     </div>

src/templates/index.html

@@ -20,9 +20,9 @@ <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://npmcdn.com/tachyons@4.0.0-beta.7/css/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.12/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@4.0.0-beta.7</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.12</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