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

updated controllers to use alert instead of notice for errors DMPRoadmap/roadmap#175

Get rid of custom Shib code & revert to generic Omniauth for everything. Modify identifier_schemes table to add scheme specific urls.

finished functional tests DMPRoadmap/roadmap/#212

URLs without locale param

added additional locale message for identifier schemes and a remove icon