This migrates the above files from tempest. This includes tempest commits:
* fixed_ips_client.py: I2fd54092d3638886c636454a2488de48f0a80f61
* fixed_ips.py: I64883306235dc3b90a3a878674532f77d825d5c4
* test_fixedIPs_client.py: I3ad6761651cec5e66012d08e6b63322f53286a5c
* parameter_types.py: I64883306235dc3b90a3a878674532f77d825d5c4
to see the commit history for these files refer to the above sha1s in the tempest repository
Partially implements blueprint migrate-service-clients-to-tempest-lib
Change-Id: I5cad7d45b3be330ebcfb063315ff29b06cf0688c