Added main menu scene and changed build settings
Merge pull request #33 from bbrouse/bbrouse_issue_16

Added main menu scene and changed build settings
Merge branch 'master' of https://github.com/bbrouse/shapesmith
Added Level_3 scene.  Fixed prefab settings for tets.  Added 1x1 envCube mat.  Disabled VSync in quality settings.
For some reason the 1x1 mat didn't push up
Made level 3
Added some more things to Level 3, updated quality settings.
Added redness for the wireframing.