Add Ceph commands to diagnostic snapshot
Add Ceph commands to diagnostic snapshot

Commands:
 - ceph health
 - ceph -s
 - ceph osd tree

Change-Id: Ifb50713edfe1da4da97035af8abae667cceeace2
Closes-Bug: #1333828

stackforge/fuel-web,koder-ua/nailgun-fcert,eayunstack/fuel-web,prmtl/fuel-web,zhaochao/fuel-web,zhaochao/fuel-web,prmtl/fuel-web,zhaochao/fuel-web,SmartInfrastructures/fuel-web-dev,nebril/fuel-web,huntxu/fuel-web,SmartInfrastructures/fuel-web-dev,huntxu/fuel-web,prmtl/fuel-web,prmtl/fuel-web,koder-ua/nailgun-fcert,eayunstack/fuel-web,nebril/fuel-web,huntxu/fuel-web,huntxu/fuel-web,koder-ua/nailgun-fcert,nebril/fuel-web,nebril/fuel-web,zhaochao/fuel-web,stackforge/fuel-web,SmartInfrastructures/fuel-web-dev,nebril/fuel-web,eayunstack/fuel-web,SmartInfrastructures/fuel-web-dev,prmtl/fuel-web,zhaochao/fuel-web,stackforge/fuel-web,huntxu/fuel-web,eayunstack/fuel-web,koder-ua/nailgun-fcert,eayunstack/fuel-web,SmartInfrastructures/fuel-web-dev