Package the management node in a docker container

[LalatenduMohanty]

Packaging the management node in a docker container will help users quickly started with running the tests and contribution.

[msvbhat]

I have a management node container already in local registry. Should I host in in docker global registry? Or we have some registry for gluster images in gluster.org namespace?

[LalatenduMohanty]

I will suggest docker public registry.