Remove default value in new page.

lib/gollum/frontend/public/gollum/javascript/gollum.js

@@ -154,14 +154,6 @@ $(document).ready(function() {
     $('#minibutton-new-page').click(function(e) {
       e.preventDefault();
 
-      var path = location.pathname;
-      // ensure there's more than one slash in pathname.
-      if (path.split('/').length > 2) {
-        path = path.substr(0, path.lastIndexOf('/') + 1);
-      } else {
-        path = '';
-      }
-
       $.GollumDialog.init({
         title: 'Create New Page',
         fields: [
@@ -169,7 +161,7 @@ $(document).ready(function() {
             id:   'name',
             name: 'Page Name',
             type: 'text',
-            defaultValue: path || ''
+            defaultValue: ''
           }
         ],
         OK: function( res ) {