Added server CLI with for custom command implementation.
Added server CLI with for custom command implementation.

Former-commit-id: bbad08650344ea49f3b38dcc1e0139924bb06a45
subutai-io/base,subutai-io/base,subutai-io/Subutai,subutai-io/base,subutai-io/Subutai,subutai-io/Subutai,subutai-io/base,subutai-io/Subutai,subutai-io/Subutai,subutai-io/Subutai