Clean up buttons documentation

Gruntfile.js

@@ -341,7 +341,8 @@ module.exports = function (grunt) {
         relaxerror: [
           'Bad value X-UA-Compatible for attribute http-equiv on element meta.',
           'Element img is missing required attribute src.',
-          'Attribute autocomplete not allowed on element input at this point.'
+          'Attribute autocomplete not allowed on element input at this point.',
+          'Attribute autocomplete not allowed on element button at this point.'
         ]
       },
       files: {

docs/_includes/nav/javascript.html

@@ -65,8 +65,10 @@
 <li>
   <a href="#buttons">Button</a>
   <ul class="nav">
-    <li><a href="#buttons-examples">Examples</a></li>
-    <li><a href="#buttons-usage">Usage</a></li>
+    <li><a href="#buttons-stateful">Stateful</a></li>
+    <li><a href="#buttons-single-toggle">Single toggle</a></li>
+    <li><a href="#buttons-checkbox-radio">Checkbox / Radio</a></li>
+    <li><a href="#buttons-methods">Methods</a></li>
   </ul>
 </li>
 <li>