CXMAN-268: Do a simple IPMI command in fabric.refresh(wait=True)
CXMAN-268: Do a simple IPMI command in fabric.refresh(wait=True)

Make sure the nodes are responsive.

SilverLiningSystems/cxmanage-test2,SilverLiningSystems/cxmanage-test,Cynerva/cxmanage,SLS-Dev/cxmanage,SLS-Dev/cxmanage,SilverLiningSystems/cxmanage-test2,SilverLiningSystems/cxmanage-test,Cynerva/cxmanage