vmw: Add GetVMStatus

It returns the status of the instance: Running or Stopped.

Signed-off-by: Asias He <asias@cloudius-systems.com>
vmw: Add GetVMStatus

It returns the status of the instance: Running or Stopped.

Signed-off-by: Asias He <asias@cloudius-systems.com>
qemu: Add GetVMStatus

It returns the status of the instance: Running or Stopped.

Signed-off-by: Asias He <asias@cloudius-systems.com>
gce: Add GetVMStatus

It returns the status of the instance: Running or Stopped.

It is a stub for now. Will add the real implementation later.

Signed-off-by: Asias He <asias@cloudius-systems.com>
instance: Display instance status correctly

Query the instance status on the fly which will give the correct
instance status: Running or Stopped.

Signed-off-by: Asias He <asias@cloudius-systems.com>
Merge pull request #78 from asias/instance_show_status

Instance show status