Added server-side logic for register.html validation
Keep form firelds on register.html in the event of wrong input fields to save users from retyping info
More button rounding
Convert col-xs-* to just col-* as part of bootstrap v3 -> v4
Convert box-* -> card-* as part of bootstrap v3 -> v4
Moved domain actions on main dashboard to a dropdown menu to avoid clutter
Added "Log Out" to top header left
Hid OTP on admin edit user to only show the disable card & options if the user account has OTP enabled
- Store HTML for modal window inside an invisible <div> element instead
of inside the <button> element's value attribute
- Mark history.detailed_msg as safe as it is already manually run
through the template engine beforehand and would be broken if escaped
a second time
