RTD link should be https.

Author: lizroth

park.cfg

@@ -2,7 +2,7 @@
 version: 0.0.2
 author: Amazon Web Services
 author_email: [email protected]
-url: http://aws-dynamodb-encryption-python.readthedocs.io/en/latest/
+url: https://aws-dynamodb-encryption-python.readthedocs.io/en/latest/
 description: Did you mean to install dynamodb-encryption-sdk?
 long_description:
     This package has been parked by {author} to protect you against packages