fixed user "not unique email" error
custom code widget
alias support for js/css files: {js}js/jquery.js as jquery{/js}
current page id is not required for backoffice delete action
file aliasing support in sys page
basic frontoffice controller for both component and widget controllers
ajax form support
1. items tab in dev/components backoffice
2. uploading duplicate files fixed
1. form-essence linking
2. refactored essence->get_validate_error => get_validate_errors