Move bearing to public namespace

include/osrm/bearing.hpp

@@ -0,0 +1,11 @@
+#ifndef OSRM_BEARING_HPP
+#define OSRM_BEARING_HPP
+
+#include "engine/bearing.hpp"
+
+namespace osrm
+{
+  using engine::Bearing;
+}
+
+#endif

include/osrm/tile_parameters.hpp

@@ -0,0 +1,11 @@
+#ifndef GLOBAL_TILE_PARAMETERS_HPP
+#define GLOBAL_TILE_PARAMETERS_HPP
+
+#include "engine/api/tile_parameters.hpp"
+
+namespace osrm
+{
+using engine::api::TileParameters;
+}
+
+#endif