TOC structure changes

Conditionalized use of "Contents" heading in Kubernetes and
OpenStack subindexes.
Make "Contents" a common include, overwritable per book
Conditionally pull in kubernetes and OpenStack descriptions from
each book index to kubernetes/index and openstack/index for partner
use
Deleted index.rs1 topics from DITA import

Signed-off-by: Ron Stone <ronald.stone@windriver.com>
Change-Id: I857a1dbb567a0bf609b449e8260b2f8801a339fb
Signed-off-by: Ron Stone <ronald.stone@windriver.com>

doc/source/planning/index.rst

@@ -11,6 +11,8 @@ Planning
 Kubernetes
 ----------
 
+.. kub-begin
+
 |prod| platform planning helps ensure that the requirements of your containers,
 and the requirements of your cloud administration and operations teams can be
 met. It ensures proper integration of a |prod| into the target data center or
@@ -19,6 +21,8 @@ telecom office, and helps you plan up front for future cloud growth.
 Planning your |prod| installation is a prerequisite for further |prod-os|
 installation planning.
 
+.. kub-end
+
 .. toctree::
    :maxdepth: 2
 
@@ -28,9 +32,13 @@ installation planning.
 OpenStack
 ---------
 
+.. os-begin
+
 |prod-os| is installed as an application in a deployed |prod| environment and
 requires additional network, storage, security and resource planning.
 
+.. os-end
+
 .. toctree::
    :maxdepth: 2
 

doc/source/planning/kubernetes/index.rst

@@ -1,8 +1,12 @@
 .. _planning_kubernetes_index:
 
-----------
-Kubernetes
-----------
+.. include:: /_includes/toc-title-planning-kub.rest
+
+.. only:: partner
+
+   .. include:: /planning/index.rst
+      :start-after: kub-begin
+      :end-before: kub-end
 
 ************
 Introduction

doc/source/planning/openstack/index.rst

@@ -1,7 +1,13 @@
 
----------
-OpenStack
----------
+.. _planning-openstack-index:
+
+.. include:: /_includes/toc-title-planning-os.rest
+
+.. only:: partner
+
+   .. include:: /planning/index.rst
+      :start-after: os-begin
+      :end-before: os-end
 
 ================
 Network planning