* use six.iteritems()
* replace basestring with six.string_types
* convert print statements to functions (they're all debugging and should
be removed eventually anyway)
* clean up OpenStack copyright: LLC -> Foundation
Change-Id: Icb14212bcb408e63816bfec3922a697bc1a6c946
As discussed in https://review.openstack.org/#/c/36352/ for each
command, we were setting api = identity or volume... etc,
this was for an old way of calling commands that are is no longer
used.
Also removed openstackclient/common/command.py
Change-Id: I2705f35d343f2ae729dc22d6aed0b852b2f8ca19
