Modify the value of auth_url
Modify the value of auth_url

Based on the change in Keystone Install Guide [1],
this modify the value of auth_url.
Please check [2][3][4][5][6] for the similar changes.

[1] https://review.openstack.org/#/c/541857
[2] https://review.openstack.org/#/c/562812
[3] https://review.openstack.org/#/c/566491
[4] https://review.openstack.org/#/c/565464
[5] https://review.openstack.org/#/c/558932
[6]https://review.openstack.org/#/c/570641

Change-Id: I06fa9fc85768f7218d1890526c4716b6bcd1dae2

openstack/vitrage,openstack/vitrage,openstack/vitrage