Update to fontawesome 4.0.3.

Author: kwando

src/buttons/tests/manual/button.html

@@ -6,8 +6,8 @@
 
     <link rel="stylesheet" href="../../../../build/base.css">
     <link rel="stylesheet" href="../../../../build/buttons.css">
-    <link rel="stylesheet" href="//netdna.bootstrapcdn.com/font-awesome/3.0.2/css/font-awesome.css">
-    <link rel="stylesheet" href="//netdna.bootstrapcdn.com/font-awesome/3.0.2/css/font-awesome-ie7.css">
+    <link rel="stylesheet" href="//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.css">
+    <link rel="stylesheet" href="//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome-ie7.css">
     <link href='http://fonts.googleapis.com/css?family=Open+Sans' rel='stylesheet' type='text/css'>
 
     <style>
@@ -98,12 +98,12 @@ <h2>Customizing Buttons</h2>
 
     <p>
         <button class="pure-button pure-button-wedding">
-            <i class="icon-film"></i>
+            <i class="fa fa-film"></i>
             Start Playing Movie
         </button>
 
         <a class="pure-button pure-button-wedding" href="#">
-            <i class="icon-film"></i>
+            <i class="fa fa-film"></i>
             Start Playing Movie
         </a>
     </p>