Install OpenStack documentation tools

To install the documentation toolkit:

1. Verify that you have installed the prerequisites.

2. Install the openstack-doc-tools package:

   $ pip install openstack-doc-tools
   

   If you have virtualenvwrapper installed, run:

   $ mkvirtualenv openstack-doc-tools
   $ pip install openstack-doc-tools
   

3. To use openstack-doc-tools, import the tools to a project:

   import os_doc_tools