Replace github with git.openstack.org

The git.openstack.org has been the recommended git repo for OpenStack
projects.

Change-Id: I748c2d1f8b3dd3e22d8e48c76a66e0c1cd0829ba

doc/source/devref/development.environment.rst

@@ -99,11 +99,11 @@ On Fedora-based distributions, follow the instructions in the
 Getting the code
 ################
 
-Get the code from GitHub to create a local repository with Zaqar:
+Get the code from git.openstack.org to create a local repository with Zaqar:
 
 .. code-block:: console
 
-  $ git clone https://github.com/openstack/zaqar.git
+  $ git clone https://git.openstack.org/openstack/zaqar.git
 
 Configuration
 #############
@@ -276,7 +276,7 @@ To do this, you first need to add the following setting to your ``local.conf``:
 
 .. code-block:: ini
 
-  enable_plugin zaqar https://github.com/openstack/zaqar
+  enable_plugin zaqar https://git.openstack.org/openstack/zaqar
 
 Then run the ``stack.sh`` script as usual.
 

doc/source/test_suite.rst

@@ -93,4 +93,4 @@ When you run tests via ``tox -e py27`` command in the root directory of Zaqar:
 .. _`OpenStack Tox testing manual` : https://wiki.openstack.org/wiki/Testing#Unit_Testing_with_Tox
 .. _`Tox documentation` : https://tox.readthedocs.org/en/latest/
 .. _`OpenStack Testr manual` : https://wiki.openstack.org/wiki/Testr
-.. _`Tempest repository` : https://github.com/openstack/tempest
+.. _`Tempest repository` : https://git.openstack.org/cgit/openstack/tempest

rally-jobs/README.rst

@@ -25,5 +25,5 @@ Useful links:
 
 * About plugins:  https://rally.readthedocs.org/en/latest/plugins.html
 
-* Plugin samples: https://github.com/openstack/rally/tree/master/samples/plugins
+* Plugin samples: https://git.openstack.org/cgit/openstack/rally/tree/samples/plugins