Remove old JS form validations (#1867) ...

* added new form validation error handling

added tests for orgs controller

converted over remaining controllers to new errors

enhanced message handlers in application controller

finished form validations

* fixed rubocop for all controllers

* Fix broken specs

- Factories needed to be updated to meet new validation requirements
- Spec was broken since error message had changed

* Fix errors and warnings from npm audit

controllers only respond to html

DMPonline4 - RAILS 4.0 (#4) ...

Merging the initial DMPOnline4 codebase into Roadmap

DMPonline4, this code was designed and implemented by the Digital
Curation Centre (DCC)
DMPonline runs in Ruby 2.1 and Rails 4.0, there is a mysql database.