Added support for recipient cards
Adapted card helpers for both customer, recipient
Merge branch 'recipient-cards' into busyconf

* recipient-cards:
  Adapted card helpers for both customer, recipient
  Added support for recipient cards

Conflicts:
	lib/stripe_mock/request_handlers/customers.rb
	lib/stripe_mock/request_handlers/helpers/card_helpers.rb
Finished implementing invoice items

Corrected new, added update, get, list, delete
Merge branch 'finish-invoice-items' into busyconf

* finish-invoice-items:
  Finished implementing invoice items
Added metadata support for subscriptions
Merge branch 'metadata' into busyconf

* metadata:
  Added metadata support for subscriptions

Conflicts:
	spec/shared_stripe_examples/subscription_examples.rb
Adapted card helpers for both customer, recipient
Merge branch 'recipient-cards' into busyconf

* recipient-cards:
  Adapted card helpers for both customer, recipient

Conflicts:
	lib/stripe_mock/request_handlers/helpers/card_helpers.rb
Fixed card creation spec against default_card
Fixed default_card implementation for card#delete
Merge branch 'recipient-cards' into busyconf

* recipient-cards:
  Fixed default_card implementation for card#delete
  Fixed card creation spec against default_card

Conflicts:
	spec/shared_stripe_examples/card_examples.rb
Ensure certain things still work live
Merge branch 'sman591-busyconf' into live-tests