Merge pull request #415 from Wolftousen/master

Add Rope Joints

examples3d/all_examples3.rs

@@ -42,6 +42,7 @@ mod one_way_platforms3;
 mod platform3;
 mod primitives3;
 mod restitution3;
+mod rope_joints3;
 mod sensor3;
 mod trimesh3;
 mod vehicle_controller3;
@@ -100,6 +101,7 @@ pub fn main() {
         ("One-way platforms", one_way_platforms3::init_world),
         ("Platform", platform3::init_world),
         ("Restitution", restitution3::init_world),
+        ("Rope Joints", rope_joints3::init_world),
         ("Sensor", sensor3::init_world),
         ("TriMesh", trimesh3::init_world),
         ("Vehicle controller", vehicle_controller3::init_world),