Updated openstack/openstack
Project: openstack/python-keystoneclient  2ae5b389c1a5ebe22f6d4f9e6639e58bc31cdc2d

Keystoneclient create user API should have optional password.

Password is optional in Keystone service. The create user API
in keystoneclient should have password None as default value.

Change-Id: Ic72867c9b86ca65e3237786e35bcb5bd44f5f053
Closes-Bug: #1273988