Replace http with https for doc links

Change-Id: Ib3234a6194b1595a7fa8f9d0c69d44dc1f399f4c

CONTRIBUTING.rst

@@ -1,14 +1,14 @@
 If you would like to contribute to the development of OpenStack, you must
 follow the steps in this page:
 
-   http://docs.openstack.org/infra/manual/developers.html
+   https://docs.openstack.org/infra/manual/developers.html
 
 If you already have a good understanding of how the system works and your
 OpenStack accounts are set up, you can skip to the development workflow
 section of this documentation to learn how changes to OpenStack should be
 submitted for review via the Gerrit tool:
 
-   http://docs.openstack.org/infra/manual/developers.html#development-workflow
+   https://docs.openstack.org/infra/manual/developers.html#development-workflow
 
 Pull requests submitted through GitHub will be ignored.
 

README.rst

@@ -7,9 +7,9 @@ Tempest plugin manila-tempest-plugin
 Tempest plugin to test Manila's features
 
 * Free software: Apache license
-* Documentation: http://docs.openstack.org/developer/openstack
-* Source: http://git.openstack.org/cgit/openstack/manila-tempest-plugin
-* Bugs: http://bugs.launchpad.net/manila-tempest-plugin
+* Documentation: https://docs.openstack.org/developer/openstack
+* Source: https://git.openstack.org/cgit/openstack/manila-tempest-plugin
+* Bugs: https://bugs.launchpad.net/manila-tempest-plugin
 
 Features
 --------

setup.cfg

@@ -5,7 +5,7 @@ description-file =
     README.rst
 author = OpenStack
 author-email = openstack-dev@lists.openstack.org
-home-page = http://www.openstack.org/
+home-page = https://www.openstack.org/
 classifier =
     Environment :: OpenStack
     Intended Audience :: Information Technology