Full refresh and update to Swagger 3

.swagger-codegen/VERSION

@@ -0,0 +1 @@
+3.0.31-SNAPSHOT-Billforward

.travis.yml

@@ -1,7 +1,6 @@
 # ref: https://docs.travis-ci.com/user/languages/python
 language: python
 python:
-  - "2.7"
   - "3.2"
   - "3.3"
   - "3.4"

billforward/api/__init__.py

@@ -0,0 +1,32 @@
+from __future__ import absolute_import
+
+# flake8: noqa
+
+# import apis into api package
+from billforward.api.accounts_api import AccountsApi
+from billforward.api.affiliation_api import AffiliationApi
+from billforward.api.avatax_api import AvataxApi
+from billforward.api.card_connect_api import CardConnectApi
+from billforward.api.charges_api import ChargesApi
+from billforward.api.checkout_api import CheckoutApi
+from billforward.api.contracts_api import ContractsApi
+from billforward.api.coupons_api import CouponsApi
+from billforward.api.dunning_api import DunningApi
+from billforward.api.ebanx_api import EBANXApi
+from billforward.api.invoices_api import InvoicesApi
+from billforward.api.notifications_api import NotificationsApi
+from billforward.api.payment_gateway_api import PaymentGatewayApi
+from billforward.api.payment_methods_api import PaymentMethodsApi
+from billforward.api.payments_api import PaymentsApi
+from billforward.api.permissions_api import PermissionsApi
+from billforward.api.plans_api import PlansApi
+from billforward.api.quotes_api import QuotesApi
+from billforward.api.receipts_api import ReceiptsApi
+from billforward.api.reports_api import ReportsApi
+from billforward.api.salesforce_api import SalesforceApi
+from billforward.api.security_api import SecurityApi
+from billforward.api.subscriptions_api import SubscriptionsApi
+from billforward.api.taxes_api import TaxesApi
+from billforward.api.tokenization_api import TokenizationApi
+from billforward.api.webhooks_api import WebhooksApi
+from billforward.api.default_api import DefaultApi