Added support for docker swarm api version 1.24. 3 API are added swarm_init() swarm_leave() swarm_join()
Added support for docker swarm api version 1.24.
3 API are added
swarm_init()
swarm_leave()
swarm_join()

Signed-off-by: Min Zhang <4f435e5bfdc522a1135c650cbfe0a845906fed75@gmail.com>

Signed-off-by: Min Zhang <4f435e5bfdc522a1135c650cbfe0a845906fed75@gmail.com>

minzhang28/docker-py,minzhang28/docker-py