Split Font Awesome out

This way, if a user is already using Font Awesome, there's no need to
redownload the CSS.

README.md

@@ -6,9 +6,10 @@ A drop-in JavaScript textarea replacement for writing beautiful and understandab
 [![Preview](http://i.imgur.com/b9hFHFT.png)](http://nextstepwebs.github.io/simplemde-markdown-editor)
 
 ## Quick start
-Available on [jsDelivr](http://www.jsdelivr.com/about.php)
+SimpleMDE is available on [jsDelivr](http://www.jsdelivr.com/#!simplemde). Font Awesome is available on MaxCDN.
 
 ```
+<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/font-awesome/latest/css/font-awesome.min.css">
 <link rel="stylesheet" href="//cdn.jsdelivr.net/simplemde/latest/simplemde.min.css">
 <script src="//cdn.jsdelivr.net/simplemde/latest/simplemde.min.js"></script>
 ```

source files/README.md

@@ -10,5 +10,4 @@ Minify the JS in this order:
 
 Minify the CSS in this order:
 
-1. `theme.css`
-1. `font-awesome.css`
+1. `theme.css`