Updated openstack/openstack
Project: openstack/heat  36fca511631a535b8c86f08d8d776381d2978b93

Implement trove client plugin

This moves the client creation code out of Clients._trove() into
its own client plugin.

Trove is an integrated project, and python-troveclient is a dependency,
so the import is now mandatory.

Change-Id: I89d290f6a38488779e77ff11bdfdd64c159a57e8