Add a utility command to add switch(es) and retrieve attached server information.
Add a utility command to add switch(es) and retrieve attached server information.

Change-Id: Idcd3362cb5ec4529c9247b41ce55d6950e9120fa

stackforge/compass-core,stackforge/compass-core,stackforge/compass-core,openstack/compass-core,baigk/compass-core,openstack/compass-core,baigk/compass-core,openstack/compass-core,openstack/compass-core,stackforge/compass-core,baigk/compass-core