Set up publishing of docs

Set up publishing of docs to the readthedocs.

Change-Id: Idfafa228e9136de3cec72d9df82b537ebd8fc8d3

doc/source/sampleconf.rst

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+..
+    Copyright 2017 AT&T Intellectual Property.  All other rights reserved.
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+
+Sample Configuration File
+==========================
+
+The following is a sample Shipyard configuration for adaptation and use. It is
+auto-generated from Shipyard when this documentation is built, so
+if you are having issues with an option, please compare your version of
+Shipyard with the version of this documentation.
+
+The sample configuration can also be viewed in `file form <_static/shipyard.conf.sample>`_.
+
+.. literalinclude:: _static/shipyard.conf.sample