allow subscriptions and accounts to be marked for trials
skip invoicing for trial subscriptions
don’t send subscription ending reminder emails for trial subscriptions. We’re going to handle these differently
display trial status on current subscription page
add new domains to a 30 day trial of advanced (currently feature flagged)
Merge pull request #3265 from dimagi/30-day-trial

New Domains are now subscribed to a 30 day advanced trial on creation