
"nova list" will also output "Task State" and "Power State" by default. This patch improves "server list" command to have the same columns, but not by default. These two columns will be output if --long is added. The power state is an int, so also adds a formatter helper function to translate it to human readable string, just as "Networks" does. Change-Id: I0530a910bec03835839a5ba7687c66d5643338f3