RCDEV_0824

Registration form updates include:

1. Reading of First Name, Last Name, Affiliation from CAC card and auto population of them
2. UI restriction of email domains to gov and business emails
3. UI restriction of password requirements
4. UI disablement of password confirmation until password field passes requirements check
5. Appearance of username field once the entered email contains '@' sign and disappearance if it is removed.
6. Auto-population of username with email prefix(all chars preceeding '@' sign)