This is the first attempt at adding email confirmation to user accounts.

Right now this change adds:

+ User receives email upon system user creation to confirm email
+ User receives flash notice when trying to log in through the system
stopping them from using it until email is confirmed
+ User account is confirmed after accessing confirmation token url
+ User account goes to resend token view if token expires

What we need to add:

+ Confirm email for SSO accounts
+ Find a way to reset confirmation values for all existing accounts
+ More ?