Deduplicate button action-* class names

lib/gollum/templates/file_view.mustache

@@ -14,7 +14,7 @@
 <div id="home_button">
   <ul class="actions">
     <li class="minibutton">
-      <a href="{{base_url}}/" class="action-edit-page">Home</a>
+      <a href="{{base_url}}/" class="action-home-page">Home</a>
     </li>
   </ul>
 </div>

lib/gollum/templates/page.mustache

@@ -13,11 +13,11 @@ Mousetrap.bind(['e'], function( e ) {
       {{>searchbar}}
     </li>
     <li class="minibutton"><a href="{{base_url}}/"
-       class="action-edit-page">Home</a></li>
+       class="action-home-page">Home</a></li>
     <li class="minibutton"><a href="{{base_url}}/pages"
       class="action-all-pages">All</a></li>
     <li class="minibutton"><a href="{{base_url}}/fileview"
-    class="action-all-pages">Files</a></li>
+    class="action-fileview">Files</a></li>
     <li class="minibutton jaws">
       <a href="#" id="minibutton-new-page">New</a></li>
     {{#editable}}

lib/gollum/templates/pages.mustache

@@ -6,7 +6,7 @@
       {{>searchbar}}
     </li>
     <li class="minibutton"><a href="{{base_url}}/"
-       class="action-edit-page">Home</a></li>
+       class="action-home-page">Home</a></li>
     <li class="minibutton jaws">
     <a href="#" id="minibutton-new-page">New</a>
     </li>

lib/gollum/templates/search.mustache

@@ -6,7 +6,7 @@
       {{>searchbar}}
     </li>
     <li class="minibutton"><a href="{{base_url}}/"
-       class="action-edit-page">Home</a></li>
+       class="action-home-page">Home</a></li>
   </ul>
 </div>
 <div id="results">