Fix path

lib/gollum/frontend/public/gollum/livepreview/js/livepreview.js

@@ -342,10 +342,15 @@ var applyTimeout = function () {
      ~-1 == false; !~-1 == true;
    */
   if ( !~location.host.indexOf('github.com') ) {
+    // ensure leading / is removed from path and that it ends with /
+    var path = unescape($.key( 'path' )).replace(/^\/+/, '');
+    if ( path.charAt( path.length - 1 ) !== '/' ) {
+      path += '/';  
+    }
+    
     jQuery.ajax( {
       type: 'GET',
-      // ensure leading / is removed from path
-      url: baseUrl + '/data/' + $.key( 'path' ).replace(/^\/+/, '') + $.key( 'page' ),
+      url: baseUrl + '/data/' + path + $.key( 'page' ),
       success: function( data ) {
          editorSession.setValue( data );
       }