Merge pull request #21 from jonathanhefner/fix-guide-redirects

Fix guide redirects

Author: rafaelfranca

config/nginx.conf

@@ -41,7 +41,8 @@ server {
 
     rewrite /contributing_to_rails.html /contributing_to_ruby_on_rails.html permanent;
     rewrite /contribute.html /contributing_to_ruby_on_rails.html permanent;
-    rewrite /constant_autoloading_and_reloading.html /autoloading_and_reloading_constants.html permanent;
+    rewrite ^((?!/v[2-3]\.|/v4\.[0-1]).*)/migrations.html$ $1/active_record_migrations.html permanent;
+    rewrite ^(.*)/constant_autoloading_and_reloading.html$ $1/autoloading_and_reloading_constants.html permanent;
 
     location ~ ^/v\d {
       root /home/rails/guides;