Add print for "backup-create" command

For convenience reasons backup-create should print out metadata

Fixes bug: 1210874

Change-Id: I327aaadb3b82c2073cec5807aa429c4ffac6ee0f
Sync strutils from oslo

Sync strutils from oslo. Also import apiclient,
gettextutils, and importutils.

Change-Id: I565fd2cf40f2ea21842c6dbd581430b25d99fea6
Signed-off-by: Chuck Short <chuck.short@canonical.com>
Merge "Add print for "backup-create" command"