Fixing digital_ocean documentation and a bug in os_subnet

cloud/digital_ocean/digital_ocean.py

@@ -99,7 +99,8 @@ options:
 
 notes:
   - Two environment variables can be used, DO_API_KEY and DO_API_TOKEN. They both refer to the v2 token.
-  - Version 2 of DigitalOcean API is used.
+  - As of Ansible 2.0, Version 2 of the DigitalOcean API is used.
+  - As of Ansible 2.0, the above parameters were changed significantly. If you are running 1.9.x or earlier, please use C(ansible-doc digital_ocean) to view the correct parameters for your version. Dedicated web docs will be available in the near future for the stable branch.
 requirements:
   - "python >= 2.6"
   - dopy

cloud/openstack/os_subnet.py

@@ -253,5 +253,5 @@ def main():
 # this is magic, see lib/ansible/module_common.py
 from ansible.module_utils.basic import *
 from ansible.module_utils.openstack import *
-if __name__ '__main__':
+if __name__ == '__main__':
     main()