Convert readthedocs link for their .org -> .io migration for hosted p…

…rojects

As per their email ‘Changes to project subdomains’:

> Starting today, Read the Docs will start hosting projects from subdomains on the domain readthedocs.io, instead of on readthedocs.org. This change addresses some security concerns around site cookies while hosting user generated data on the same domain as our dashboard.

Test Plan: Manually visited all the links I’ve modified.

CONTRIBUTING.rst

@@ -1,5 +1,5 @@
 For more information, please see the official docs at
-http://boto3.readthedocs.org/
+https://boto3.readthedocs.io/
 
 Contributing Code
 -----------------

README.rst

@@ -12,12 +12,12 @@ services that are supported.
 
 
 .. _boto: https://docs.pythonboto.org/
-.. _`Read the Docs`: https://boto3.readthedocs.org/en/latest/
+.. _`Read the Docs`: https://boto3.readthedocs.io/en/latest/
 .. |Build Status| image:: http://img.shields.io/travis/boto/boto3/develop.svg?style=flat
     :target: https://travis-ci.org/boto/boto3
     :alt: Build Status
 .. |Docs| image:: https://readthedocs.org/projects/boto3/badge/?version=latest&style=flat
-    :target: https://boto3.readthedocs.org/en/latest/
+    :target: https://boto3.readthedocs.io/en/latest/
     :alt: Read the docs
 .. |Downloads| image:: http://img.shields.io/pypi/dm/boto3.svg?style=flat
     :target: https://pypi.python.org/pypi/boto3/

boto3/session.py

@@ -241,7 +241,7 @@ def client(self, service_name, region_name=None, api_version=None,
             over environment variables and configuration values, but not over
             a region_name value passed explicitly to the method. See
             `botocore config documentation
-            <http://botocore.readthedocs.org/en/latest/reference/config.html>`_
+            <https://botocore.readthedocs.io/en/latest/reference/config.html>`_
             for more details.
 
         :return: Service client instance
@@ -323,7 +323,7 @@ def resource(self, service_name, region_name=None, api_version=None,
             user_agent_extra is specified in the client config, it overrides
             the default user_agent_extra provided by the resource API. See
             `botocore config documentation
-            <http://botocore.readthedocs.org/en/latest/reference/config.html>`_
+            <https://botocore.readthedocs.io/en/latest/reference/config.html>`_
             for more details.
 
         :return: Subclass of :py:class:`~boto3.resources.base.ServiceResource`

docs/source/guide/migration.rst

@@ -50,7 +50,7 @@ Once configured, you may begin using Boto 3::
     for bucket in boto3.resource('s3').buckets.all():
         print(bucket.name)
 
-See the :ref:`tutorial_list` and `Boto 3 Documentation <http://boto3.readthedocs.org/>`__ for more information.
+See the :ref:`tutorial_list` and `Boto 3 Documentation <https://boto3.readthedocs.io/>`__ for more information.
 
 The rest of this document will describe specific common usage scenarios of Boto 2 code and how to accomplish the same tasks with Boto 3.
 

docs/source/guide/s3.rst

@@ -182,5 +182,5 @@ conditions when you generate the POST data.::
 Note: if your bucket is new and you require CORS, it is advised that
 you use path style addressing (which is set by default in signature version 4).
 
-.. _s3 transfer manager: http://boto3.readthedocs.org/en/latest/reference/customizations/s3.html#module-boto3.s3.transfer
+.. _s3 transfer manager: https://boto3.readthedocs.io/en/latest/reference/customizations/s3.html#module-boto3.s3.transfer
 .. _virtual host addressing: http://docs.aws.amazon.com/AmazonS3/latest/dev/VirtualHosting.html