Fixed displaying custom errors

git-svn-id: https://plugins.svn.wordpress.org/redi-restaurant-reservation/branches/development@831912 b8457f37-d9ea-0310-8a92-e5e31aec5664
Js hide steps on change place

git-svn-id: https://plugins.svn.wordpress.org/redi-restaurant-reservation/branches/development@831913 b8457f37-d9ea-0310-8a92-e5e31aec5664