Allow one customer to have many charges instead of a 1-to-1 relationship
add another column.
Add logging of refresh hash.
Add more logging of refresh hash.
Remove typo
use the test token to make charges while in test mode.
Refactoring Charge.find_or_initialize
refactor to pass charge_id around instead of looking up the charge.
Merge branch 'master' into one_customer_to_many_charges
use appropriate key for scenario.
Add unique index on emails
Merge branch 'one_customer_to_many_charges' of github.com:controlshift/prague-server into one_customer_to_many_charges

Conflicts:
	db/schema.rb
add another column.
Add logging of refresh hash.
Add more logging of refresh hash.
use the test token to make charges while in test mode.
use appropriate key for scenario.
downcase customer emails.
Merge branch 'master' of heroku.com:prague-staging into one_customer_to_many_charges
fix email factory to be unique.