Show some options during mass subscription
Currently the mass subscription view iterates over all addresses and subscribes them as follows: ``` mailing_list.subscribe(address=address, display_name=display_name, pre_verified=True, pre_confirmed=True, pre_approved=True) ``` If we show an option on the page allowing people to toggle the flags, mass subscription would also mimic the invitations from MM2. What do you think?
issue