* feat: add options parameter to User.create
add emailVerification: ('send'|'verify'|'skip') param to User.create to control email verification
add a new method User.createOrQueue(). store options that will be passed to User.create() when registration is accepted in _opts
If there is no password passed to registration queue(SSO register) don't store hashedPassword
removed the isFirstUser hack in user.create, when creating the admin user in install.js passing `emailVerification: 'verify'` to immediately verify the email, same with all the hacks in tests
auth: if an SSO plugin sends back an info object, redirect to root and display the message
* refactor: make function private
* refactor: destruct return
* test: fix flag test
* test: group tests
* feat: show ssoIcon if available in register queue
* add icon/title
