Create public facing libraries for extractor, contractor and datastore

New libraries libosrm_extract, libosrm_contract, libosrm_store

src/server/request_handler.cpp

@@ -10,8 +10,8 @@
 #include "util/xml_renderer.hpp"
 #include "util/typedefs.hpp"
 
-#include "osrm/route_parameters.hpp"
-#include "osrm/json_container.hpp"
+#include "engine/route_parameters.hpp"
+#include "util/json_container.hpp"
 #include "osrm/osrm.hpp"
 
 #include <ctime>