removed ids for email and password sign_in_form. Refactored JS associated. #1064

New login workflow changes (post-shibboleth authentication) ...

- New dual choice layout in app/views/devise/registrations/new.html.erb
- Changes to omniauth_callbacks/application/registrations/sessions controllers to support choice post-shibboleth auth:
  - Do you have an account? Sign in to link your shibboleth credentials
  - If you don't have an account, sign up and this will link your shibboleth credentials
- Changes to sign in, create account, and password details forms for multiple onscreen "show password" tickboxes
- Aesthetic change to clear-field (X) icon (align it with input field and bring it inside)

moved forgot password link

remove 'show pasword' from sign in form

Replaced organisational credentials with institutional credentials for get_text messages. DMPRoadmap/roadmap#1085

Replace institution with organisation for UI messages. DMPRoadmap/roadmap#1085

moved button

Bug fixes to the create account/sign in/reset password/shib DS pages ...

fixed JS issues on shibboleth_ds and bootstrapped page

added js-cookie and fixed remember-email functionality

fixed issue with random empty notices appearing

added documentation to ariatiseForm and updated create account form

updated passwordHelper so that html page is providing show password checkboxes and js only handles display DMPRoadmap/roadmap#558

added ES6 JS for sign in and create account forms DMPRoadmap/roadmap#558

bootstrapped the sign in and create account forms DMPRoadmap/roadmap#558