The ini format used for hosts by Ansible might not be compatible for …

…docs.

Playing around with Sphinx and Pygments the problem was the "hostname"
line which might be uncommon/illegal in normal ini files.

Since Sphinx 1.3.5 this becomes a warning and in the DebOps projects,
warnings are handled as errors :)
sphinx-doc/sphinx#1565

Disable ini highlighting for now.

docs/getting-started.rst

@@ -10,15 +10,15 @@ Example inventory
 To setup ownCloud on a given remote host, it needs to be added to
 ``[debops_service_owncloud]`` Ansible inventory group:
 
-.. code-block:: ini
+.. code-block:: none
 
     [debops_service_owncloud]
     hostname
 
 Additionally it is recommended that you install a database server. You can
 install one on the same host as ownCloud or choose a different host:
 
-.. code-block:: ini
+.. code-block:: none
 
     [debops_service_mariadb_server]
     hostname