Adapt to yaml (WIP)

client/templates/90_grant_execute.erb

@@ -1 +1 @@
-GRANT EXECUTE ON FUNCTION <%= GEOCODER_CLIENT_SCHEMA %>.<%= signature['function_name'] %>(<%= signature['argument_data_types'] %>) TO publicuser;
+GRANT EXECUTE ON FUNCTION <%= GEOCODER_CLIENT_SCHEMA %>.<%= name %>(<%= params_with_type %>) TO publicuser;