TEST: Viewer Tests and Small Fix
- Adds some tests for the viewer
- Adds some tests to test the addition/removal of objects in the scene with a viewer.
- Fixes a bug that was nearly impossible to hit with erase (advanced one too far, but luckily sceneModified is called once per removeSceneObject so it was never hit).
- Also sets default collision stiffness to 0.3 and rigid body compliance to 0.00001.
Edited by Andrew Wilson