Fix bug in subscription status template

Fixes #85
2.0b27
Update subscription status template to handle cancel better
Allow for a callback to dynamically determine subscription quantity
2.0b28
Trial end is based on UTC not local timezone
Enable creation of customer with card and plan
2.0b29
Pass in the customer object to cut down on an API call
2.0b30
Only pay invoice if there is an amount due
Fix bug where current period end wasn't getting recorded on cancel
2.0b31
Allow for more money
2.0b32
Merge branch 'master' of https://github.com/eldarion/django-stripe-payments

Conflicts:
	payments/templates/payments/_subscription_status.html