Added missing gallery field columns widths

Signed-off-by: Elliot Condon <e@elliotcondon.com>
Fixed minor CSS rule

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

Signed-off-by: Elliot Condon <e@elliotcondon.com>
Added delete_field action for sub field removal and fixed repeater field 'Add Row' button issues with min / max settings

https://github.com/AdvancedCustomFields/acf5-beta/issues/116
Signed-off-by: Elliot Condon <e@elliotcondon.com>