Start criteria for 'REST Power Off' too strict.

All that is really required to start a 'REST Power Off' is that
the REST interface is working and the chassis power is 'On'.
The same goes for 'IPMI Power Off'.

Change-Id: Id64ce7ddbaceac86df4b9f13626c75f66b5847c3
Signed-off-by: Michael Walsh <micwalsh@us.ibm.com>
1 file changed