Recenter body on teleport, also it works more consistently.

If your avatar happens to be squatting, your body will stand up straight after you teleport.
Also, setting MyAvatar.position can sometimes fail due to the multi-threaded nature of scripting.
Instead, teleport.js uses goToPosition to move the avatar, as a result teleport feels much more responsive now.

scripts/system/controllers/teleport.js

@@ -297,8 +297,9 @@ function Teleporter() {
             } else if (teleportLocationType === TARGET.SURFACE) {
                 var offset = getAvatarFootOffset();
                 intersection.intersection.y += offset;
-                MyAvatar.position = intersection.intersection;
+                MyAvatar.goToLocation(intersection.intersection, false, {x: 0, y: 0, z: 0, w: 1}, false);
                 HMD.centerUI();
+                MyAvatar.centerBody();
             }
         }
     };