This patch provides an initial implementation of docker-compose
(i.e. fig). docker-compose runs in a container. The container is
only instantiated when invoked to manage a container set
(i.e. docker-compose up) and then stopped when the command is
finished executing.
Change-Id: I797f06bed773192129b57aae9824d4f97c70b3ab
ce8d945e6a