Fixed 'Initiate OS Host Reboot' to work with non root username.

When usering OS_USERNAME that is not root (e.g. "ubuntu"),
'Initiate OS Host Reboot' failed because the user did not have the
authority to do 'reboot'.  Added code to do reboot with "sudo".

Change-Id: I7cd0e5bcce78e1dba9207cbc7be557e69b501347
Signed-off-by: Michael Walsh <micwalsh@us.ibm.com>
1 file changed