added boxkde resamplin in 2D and 3D

read activity out of sensor offline file

navMesh/walk/NavMeshWalkSimple.h

@@ -82,7 +82,7 @@ namespace NM {
 
                                 NavMeshRandom<Tria> rnd = reachable.getRandom();			// random-helper
                                 re.location = rnd.draw();						// get a random destianation
-				re.heading = Heading(params.start.pos.xy(), re.location.pos.xy());	// update the heading
+                                re.heading = Heading(params.start.pos.xy(), re.location.pos.xy());	// update the heading
 				++misses;
 
 			}