Update version in docs

Author: Zack Bloom

README.md

@@ -3,7 +3,7 @@ pace
 
 An automatic web page progress bar.
 
-Include [pace.js](https://raw.github.com/HubSpot/pace/v0.4.14/pace.min.js) and a [theme](http://github.hubspot.com/pace/docs/welcome/) of your choice to your page and you are done!
+Include [pace.js](https://raw.github.com/HubSpot/pace/v0.5.1/pace.min.js) and a [theme](http://github.hubspot.com/pace/docs/welcome/) of your choice to your page and you are done!
 
 Pace will automatically monitor your Ajax requests, event loop lag, document ready state and elements on your page to decide on the progress.
 
@@ -21,6 +21,3 @@ If you use AMD or Browserify, require pace.js and call `pace.start()` as early i
   <link href="/pace/themes/pace-theme-barber-shop.css" rel="stylesheet" />
 </head>
 ```
-
-![Analytics](https://ga-beacon.appspot.com/UA-45159009-2/pace/readme?pixel)
-

docs/intro.md

@@ -1,7 +1,7 @@
 pace
 ====
 
-Include [pace.js](https://raw.github.com/HubSpot/pace/v0.4.17/pace.min.js) and the
+Include [pace.js](https://raw.github.com/HubSpot/pace/v0.5.1/pace.min.js) and the
 [theme](http://github.hubspot.com/pace/docs/welcome/) css of your choice on your page
 (as early as is possible), and you're done!
 

docs/welcome/index.html

@@ -433,7 +433,7 @@ <h2>What is Pace?</h2>
                 <p style="text-align: left">No need to hook into any of your code, progress is detected automatically.</p>
                 <br/>
                 <h2>Download</h2>
-                <p><a class="button" href="https://raw.github.com/HubSpot/pace/v0.4.17/pace.min.js">Pace.js</a></p>
+                <p><a class="button" href="https://raw.github.com/HubSpot/pace/v0.5.1/pace.min.js">Pace.js</a></p>
                 <br/>
                 <h2>Themes</h2>
                 <label class="color-label" for="color-select">Enter a color:</label>