This migrates the above files from tempest.
This includes tempest commits:
* services_client.py : Ib5617c3957cf60b2c1f11b78b7c3a136adf7ef9d
* test_services_client.py: I3ad6761651cec5e66012d08e6b63322f53286a5c
* services.py : Icd49783f19be4c30df9532e85b0cccf3410ad8fb
to see the commit history for these files refer to the above Change-Ids
in the tempest repository.
Partially implements blueprint migrate-service-clients-to-tempest-lib
Change-Id: I29684ec61023650bd2bb3a76b708bac24608f6c0