Add note about Diagnostic Snapshot in Fake UI
Add note about Diagnostic Snapshot in Fake UI

Change-Id: Idf63adff332592daee5795dd4dfb9a7e74523ec0
Closes: bug #1297820

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