Add last_run_summary into diagnostic snapshot
Add last_run_summary into diagnostic snapshot

Required for debuging issues with puppet status

Change-Id: Ia180062497b3cdc3dc16b15fa979b8bc5df97767
Closes-Bug: 1374051

eayunstack/fuel-web,huntxu/fuel-web,prmtl/fuel-web,nebril/fuel-web,zhaochao/fuel-web,eayunstack/fuel-web,SmartInfrastructures/fuel-web-dev,prmtl/fuel-web,stackforge/fuel-web,SmartInfrastructures/fuel-web-dev,zhaochao/fuel-web,huntxu/fuel-web,eayunstack/fuel-web,zhaochao/fuel-web,zhaochao/fuel-web,huntxu/fuel-web,stackforge/fuel-web,nebril/fuel-web,SmartInfrastructures/fuel-web-dev,prmtl/fuel-web,huntxu/fuel-web,nebril/fuel-web,nebril/fuel-web,stackforge/fuel-web,eayunstack/fuel-web,huntxu/fuel-web,prmtl/fuel-web,eayunstack/fuel-web,SmartInfrastructures/fuel-web-dev,prmtl/fuel-web,SmartInfrastructures/fuel-web-dev,zhaochao/fuel-web,nebril/fuel-web