Update api-ref location

The api documentation is now published on docs.openstack.org instead
of developer.openstack.org. Update all links that are changed to the
new location.

Note that redirects will be set up as well but let's point now to the
new location.

For details, see:
http://lists.openstack.org/pipermail/openstack-discuss/2019-July/007828.html

Change-Id: I7b93ead6885bf7f2a71b982f2fb215456f178ec5

README.rst

@@ -23,8 +23,8 @@ Api
 To learn how to use Monasca-Log-Api, consult the documentation
 available online at:
 
-* `Api Guide <https://developer.openstack.org/api-guide/monitoring-log-api/>`_
-* `Api Ref <https://developer.openstack.org/api-ref/monitoring-log-api/>`_
+* `Api Guide <https://docs.openstack.org/api-guide/monitoring-log-api/>`_
+* `Api Ref <https://docs.openstack.org/api-ref/monitoring-log-api/>`_
 
 For more information on OpenStack Apis, SDKs and CLIs,
 please see:

api-guide/source/index.rst

@@ -23,7 +23,7 @@ cloud.
 
 This guide covers the concepts in the Monasca Log API.
 For a full reference listing, please see:
-`Monasca Log API Reference <https://developer.openstack.org/api-ref/monitoring-log-api/>`__.
+`Monasca Log API Reference <https://docs.openstack.org/api-ref/monitoring-log-api/>`__.
 
 We welcome feedback, comments, and bug reports at
 `storyboard/monasca <https://storyboard.openstack.org/#!/project_group/59>`__.

doc/source/deprecation_note.inc

@@ -1,6 +1,6 @@
 .. note:: The Log API v2 has been DEPRECATED in the Mitaka release.  The
     migration path is to use the `Log API v3
-    <https://developer.openstack.org/api-ref/monitoring-log-api/#logs>`_ instead of version 2
+    <https://docs.openstack.org/api-ref/monitoring-log-api/#logs>`_ instead of version 2
     of the API.  The Log API v2 will ultimately be removed, following the
     `OpenStack standard deprecation policy
     <https://governance.openstack.org/reference/tags/assert_follows-standard-deprecation.html>`_.