Refactored run_command for better naming

This distinguishes this difference between
running commands on the local compute node and
the remote system, the VIOS.

bp powervm-compute-resize-migration

Change-Id: I57967e291f52d2745cd7d6d53553e37d9de07a6b
Merge "Refactored run_command for better naming"
Merge remote-tracking branch 'citrix/master' into build-temp