Add sysctl info to snap
Add sysctl info to snap

In order to help with troubleshooting, we would like to capture the
current running kernel settings.

Change-Id: I3d6deab694e581ce282f3cd805fb0e1749c69804
Closes-bug: #1459200

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