docker-compose master now requires 1.18 API, which is only available
in the development version of docker. Show how to retrieve and run it.
Change-Id: Ia3a7a659c495547fcc04d31cf38ffeaaf6fd729a
Without pid: host, nova-compute and libvirt fail to operate correctly
together. I don't understand why, and I wish it weren't so, but it means
folks will have to install docker-compose from my personal github account
until the pull request is merged upstream.
Change-Id: I24e55405139c831f2df246f54c5b6fd39d00656a
Rename them `genenv` and `start`.
Have `genenv` create the openrc file in the top-level directory.
Add openrc and compose/openstack.env to gitignore, as well as *.img.
Change-Id: I5d8006e97efd77cf364215f55d5e585139ae273e
