Add config function in postgres explicitly to get MapzenGeocoderConfig.
Bump versions for client and server APIs. New MapzenGeocoderConfig
included to be able to use current QuotaServices with non-configured
users.
Add routing with waypoints functions to client and server. Includes
signature checks tests for the Postgresql functions and unit and
integration tests for the Python library.
Add client v0.6.0 and server v0.9.0
This commit adds the new function interfaces and contains the frozen 2.0
version file as well as the upgrade/downgrade files for the previous
version according to the new function additions.