Fixed incorrect markup on the register user page

https://github.com/AdvancedCustomFields/acf5-beta/issues/51
Signed-off-by: Elliot Condon <e@elliotcondon.com>
Minor CSS compatibility fix for user registration page

Signed-off-by: Elliot Condon <e@elliotcondon.com>
Fixed repeater field max setting = 0 issue

Signed-off-by: Elliot Condon <e@elliotcondon.com>