added error message when returned content-type is not json
forgot ',status, xhr'
forgot to compile
Merge pull request #115 from HSWebteam/morefeedback

Morefeedback
some more chagnes
removed the javascript functionality to give the submit button styling, which did not work right anyway
update the element error even when update_on is set to 'change' in the config
changed $.trigger to correct syntax
Merge pull request #125 from HSWebteam/remove_js_styling

Remove js styling
Merge pull request #127 from HSWebteam/update_error_on_change

Update error on change
Merge pull request #135 from HSWebteam/jquery_trigger_syntax

Jquery trigger syntax
Merge branch 'master' of https://github.com/HSWebteam/ultraform.git into userguide
Small details.
Fixes #136
Adds a config variable for required and checks on render() if it should
use it or not based on rules.
Implements #129
Deprecates set_value
Implememnts set_element_property
Created the CSS file for #124.