brought back IPN class from gmcguire/django-paypal-adaptive
removed payment owner checks
brought back and updated IPN views and settings
updated urls
added myself as maintainer :>
documentation
ipn urls
use UrlResponse in tests and enable turning mocking on and off
TEST_WITH_MCOK default to True
docs
ipn
urls and view names
updated README
tests
readme
mocked test setting
readme
readme
pep8
tests and updated urls