Fix the "tox -e docs" failed

doc/running-tests.rst:64: D001 Line too long
doc/bifrost.rst:164: D000 Unknown target name: "edit-inventory".
doc/nova-fake-driver.rst:: WARNING: document isn't included in any
toctree

Change-Id: I83bb44ed10cb464f87e5235a423a475151ace208

doc/bifrost.rst

@@ -166,8 +166,8 @@ group.  In the ``all-in-one`` and ``multinode`` inventory files, a ``bifrost``
 group is defined which contains all hosts in the ``deployment`` group.  This
 top level ``deployment`` group is intended to represent the host running the
 ``bifrost_deploy`` container.  By default, this group contains ``localhost``.
-See `edit-inventory`_ for details on how to modify the Ansible inventory in a
-multinode deployment.
+See `Multinode Deployment of Kolla <https://docs.openstack.org/developer/kolla-ansible/multinode.html>`_
+for details on how to modify the Ansible inventory in a multinode deployment.
 
 Bifrost does not currently support running on multiple hosts so the ``bifrost``
 group should contain only a single host, however this is not enforced by

doc/index.rst

@@ -65,6 +65,7 @@ Services
    ironic-guide
    manila-guide
    manila-hnas-guide
+   nova-fake-driver
    swift-guide
    bifrost
    networking-guide

doc/running-tests.rst

@@ -61,7 +61,8 @@ directory use:
 
     $ tox -e py27 kolla-ansible.tests
 
-To run the tests of a specific file say ``kolla-ansible/tests/test_kolla_docker.py``:
+To run the tests of a specific file
+say ``kolla-ansible/tests/test_kolla_docker.py``:
 
 .. code-block:: console