Updated openstack/openstack
Project: openstack/python-keystoneclient  5fe86af4faeac2201d7b2c89e916438fb9cf96d4
null
Saner debug log message generation

For some reason building the debug log would include spaces in the
message elements and join on the empty string. It makes much more sense
to just build the list and join on the space.

Change-Id: Idd82787b87518c56122d0b13551f84529306337c