refactor StripeWrapper from Charge.create to Customer.create with subscription
remove unnecessary attr_accessor declarations to attr_reader
combine create customer and subscription into single stripe call
create payments migration, admin/payments_controller
StripeWrapper::Payment and related StripeEvent webhook
add admin_sees_payments spec; minor changes to admin::payments view
upgrade gems, remove unneeded migration file
add failed charge for stripe_wrapper
finish suspend user on failed charge feature
modify suspended account mailer wording
Merge pull request #14 from leeduan/mod13

Mod13 merged