Fix the old or invalid doc links

The urls in docs are old or invalid.
Replace them with the right ones for the docs according to
the official OpenStack websites.

Change-Id: I259702f5771e975fe24f7e97a450f342d8ad2beb
diff --git a/README.rst b/README.rst
index e81ffbe..b3883b8 100644
--- a/README.rst
+++ b/README.rst
@@ -7,6 +7,6 @@
 It contains the tempest plugin for the functional testing of Neutron Project.
 
 * Free software: Apache license
-* Documentation: http://docs.openstack.org/developer/neutron
-* Source: http://git.openstack.org/cgit/openstack/neutron-tempest-plugin
-* Bugs: http://bugs.launchpad.net/neutron
+* Documentation: https://docs.openstack.org/neutron/latest/
+* Source: https://git.openstack.org/cgit/openstack/neutron-tempest-plugin
+* Bugs: https://bugs.launchpad.net/neutron