Updated openstack/openstack
Project: openstack/tempest  234a5835d0dfa6f4a201c1ed6161873231f5ca28

Volume xml client translate json attribute names

Translate the XML special attribute names
 to the same as we get via the json api.

Also changing the _check_if_bootable will be called only from the
_parse_volume.

Change-Id: I32ba5001a84bbee9459b3c9ce7a70d48fede22bd