CORD-1550: Make driver and client compatible with keystone v3 system

Add a version property to keystone client and did some modification
so that the v3 and v2 have the same programming interface.

Change-Id: I26e2f6d91e5f5d09409a9a71504318e787819023
2 files changed
tree: 53f9083de9477cc636b2c1f79e1f010f27172c54
  1. .gitignore
  2. xos/