Adds "/v2" suffix to Tuskar endpoint
Adds "/v2" suffix to Tuskar endpoint

Tuskar endpoint was registered with no suffix.
That way Keystone provides user with not working endpoint to Tuskar b/c
Tuskar do not work without version suffix in path.
Currently Tuskar supports only v2 version/suffix.

Change-Id: Ic97fa887012c0f1d3a74d1f4f8939ce32d5cfac2

rdo-management/tripleo,rdo-management/tripleo