Added getting route through way points

* data to fire example query: insert into point (point_name,
point_langitude, point_longitude, point_type) values ('Krakow',
50.0646505, 19.9449716, 2);
insert into point (point_name, point_langitude, point_longitude,
point_type) values ('Warszawa', 52.2296756, 21.0122287, 2);
* example GET (assuming, that Krakow is 526 id, Warszawa 527):
http://localhost:9000/schedule?ids={"ids":[{"id":526},{"id":527},{"id":526}]}