OpenContrail heat templates

OpenContrail heat templates

Deploy a TripleO overcloud with OpenContrail Vrouter plugin configured
to interact with an existing OpenContrail Server Manager.

OpenContrail is an Apache 2.0-licensed project that is built using
standards-based protocols and provides all the necessary components for
network virtualization–SDN controller, virtual router, analytics engine,
and published northbound APIs. It has an extensive REST API to configure
and gather operational and analytics data from the system.

Co-Authored-By: Jiri Stransky <jistr@redhat.com>
Change-Id: I699a7c4ea09d024fe4d70c6a507c524f0a7aafd5