Update the doc links to the newest ones

Update the doc links to the newest ones according to
the OpenStack websites.

Change-Id: Ibc433a25602683933712aa980049d31a4fc9c811

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.
 

HACKING.rst

@@ -1,4 +1,4 @@
 tripleo-validations Style Commandments
 ===============================================
 
-Read the OpenStack Style Commandments http://docs.openstack.org/developer/hacking/
+Read the OpenStack Style Commandments https://docs.openstack.org/hacking/latest/

README.rst

@@ -2,8 +2,8 @@
 Team and repository tags
 ========================
 
-.. image:: http://governance.openstack.org/badges/tripleo-validations.svg
-    :target: http://governance.openstack.org/reference/tags/index.html
+.. image:: https://governance.openstack.org/tc/badges/tripleo-validations.svg
+    :target: https://governance.openstack.org/tc/reference/tags/index.html
 
 .. Change things from this point on
 
@@ -22,7 +22,7 @@ consumable by the `Mistral validation framework
 available independently from the UI or the command line client.
 
 * Free software: Apache license
-* Source: http://git.openstack.org/cgit/openstack/tripleo-validations
+* Source: https://git.openstack.org/cgit/openstack/tripleo-validations
 * Bugs: https://bugs.launchpad.net/tripleo/+bugs?field.tag=validations
 
 Prerequisites