Debug draws of boxes are twice as big

[Bruno Li]

BulletSharpUnity3d/UnityProject/Assets/BulletUnity/Scripts/DebugDrawUnity.cs

Line 29 in d3cca38

 UnityEngine.Vector3 size = (bbMax - bbMin).ToUnity(); 

This size needs to be halved because box size is a half-extent in Bullet:
UnityEngine.Vector3 size = (bbMax - bbMin).ToUnity() / 2;

[Ian Deane]

Thanks, I will fix.

[Floris Weers]

#56