Updated openstack/openstack
Project: openstack/glance  530a1c8051a157d3953f742ecc2cfa73541dd0c0
null
Don't use deprecated module commands

The commands module was deprecated since version 2.6 and it has been
removed in Python 3. Use the subprocess module instead.
See http://docs.python.org/2/library/commands#module-commands

Closes-Bug: #1248216
Change-Id: I0a89dbba374a28b16a6e24f2a1b05ce06e044de4