aisman

Session 128, Step 1: Add-on seat prices for yearly org subscription must be pro-rated to remaining months
- Add-on seat prices for yearly org subscription must be pro-rated to remaining months
- All prices passed to Creem must be ex-tax
- Org subscription: user-entered seat count not saved to SubscriptionFeatureValue
- Personal subscription upgrade does not calculate pro-rata price difference

Session 129, Step 1: Add-on seats: use per-month-if-yearly price when subscription is yearly
- Add-on seats: use per-month-if-yearly price when subscription is yearly
- Add-on seats: cap months-remaining calculation at 12