Add explanatory notes to deletion logics.

lib/gollum/public/gollum/javascript/gollum.js.erb

@@ -44,6 +44,7 @@ function abspath(path, name){
 
 // ua
 $(document).ready(function() {
+  // for deleting the current page
   $('#delete-link').click( function(e) {
     var ok = confirm($(this).data('confirm'));
     if ( ok ) {
@@ -57,7 +58,7 @@ $(document).ready(function() {
     // Don't navigate on cancel.
     e.preventDefault();
   } );
-
+  // for deleting files and pages from the overview
   $('.delete-file').click( function(e) {
     var ok = confirm($(this).data('confirm'));
     if ( ok ) {
@@ -65,7 +66,7 @@ $(document).ready(function() {
       $.post('<%=delete_path %>' + $(this).data('file-path'),
         {},
         function (result) {
-          // page successfully deleted, stay on page but remove element from DOM
+          // file successfully deleted, stay on overview but remove element from DOM
           element.closest("li").remove();
         });
     }