Keystone team decided to deprecate v2.0 on Mitaka.
DocImpact: The keystone team recommends using v3 of our Identity API, so we
decided to formally deprecate API v2.0 on Mitaka. Authentication
routes and EC2 routes will not be deprecated for now, they will be kept
around indefinitely.
Partially implements: bp deprecated-as-of-mitaka
Co-Authored-By: Steve Martinelli <stevemar@ca.ibm.com>
Change-Id: Ie3e484f08edd5acd3c89e76ba6a5c24d660a116d