Livepreview JavaScript fix for base_url

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

@@ -107,7 +107,7 @@ $.save = function( commitMessage ) {
   if ( create ) {
     jQuery.ajax( {
       type: POST,
-      url: '/create',
+      url: baseUrl + '/create',
       data:  { path: pathName, page: pageName, format: markdown, content: txt, message: commitMessage || msg },
       success: function() {
         win.location = newLocation;
@@ -116,7 +116,7 @@ $.save = function( commitMessage ) {
   } else {
     jQuery.ajax( {
       type: POST,
-      url: '/edit/' + pageName,
+      url: baseUrl + '/edit/' + pageName,
       data:  { path: pathName, page: pageName, format: markdown, content: txt, message:  commitMessage || msg },
       success: function() {
           win.location = newLocation;

lib/gollum/frontend/views/layout.rb

@@ -19,6 +19,10 @@ module Precious
       def has_path
         !@path.nil?
       end
+
+      def base_url
+        @base_url
+      end
     end
   end
 end