Exposes geocoder providers in public geocoder functions

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.

client/old_versions/cdb_dataservices_client--0.6.0--0.7.0.sql

@@ -0,0 +1,35 @@
+--DO NOT MODIFY THIS FILE, IT IS GENERATED AUTOMATICALLY FROM SOURCES
+-- Complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION cdb_dataservices_client UPDATE TO '0.7.0'" to load this file. \quit
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_client.obs_getmeasurebyid (geom_ref text, measure_id text, boundary_id text, time_span text DEFAULT NULL)
+RETURNS numeric AS $$
+DECLARE
+  ret numeric;
+  username text;
+  orgname text;
+BEGIN
+  IF session_user = 'publicuser' OR session_user ~ 'cartodb_publicuser_*' THEN
+    RAISE EXCEPTION 'The api_key must be provided';
+  END IF;
+  SELECT u, o INTO username, orgname FROM cdb_dataservices_client._cdb_entity_config() AS (u text, o text);
+  -- JSON value stored "" is taken as literal
+  IF username IS NULL OR username = '' OR username = '""' THEN
+    RAISE EXCEPTION 'Username is a mandatory argument, check it out';
+  END IF;
+  
+    SELECT cdb_dataservices_client._obs_getmeasurebyid(username, orgname, geom_ref, measure_id, boundary_id, time_span) INTO ret;
+    RETURN ret;
+  
+END;
+$$ LANGUAGE 'plpgsql' SECURITY DEFINER;
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_client._obs_getmeasurebyid (username text, organization_name text, geom_ref text, measure_id text, boundary_id text, time_span text DEFAULT NULL)
+RETURNS numeric AS $$
+  CONNECT cdb_dataservices_client._server_conn_str();
+  
+  SELECT cdb_dataservices_server.obs_getmeasurebyid (username, organization_name, geom_ref, measure_id, boundary_id, time_span);
+  
+$$ LANGUAGE plproxy;
+
+GRANT EXECUTE ON FUNCTION cdb_dataservices_client.obs_getmeasurebyid(geom_ref text, measure_id text, boundary_id text, time_span text) TO publicuser;

client/old_versions/cdb_dataservices_client--0.7.0--0.6.0.sql

@@ -0,0 +1,5 @@
+--DO NOT MODIFY THIS FILE, IT IS GENERATED AUTOMATICALLY FROM SOURCES
+-- Complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION cdb_dataservices_client UPDATE TO '0.6.0'" to load this file. \quit
+DROP FUNCTION IF EXISTS cdb_dataservices_client._obs_getmeasurebyid (text, text, text, text);
+DROP FUNCTION IF EXISTS cdb_dataservices_client.obs_getmeasurebyid (text, text, text, text);