Added a very simple audio player.

Added audio player script, sample mp3 and a prefab for easy hook-up.

Signed-off-by: Kalle Sjöström <c06ksm@gmail.com>
Set the floor.obj to fix ImportFBX Errors.

ImportFBX Errors: Unsupported wedge mapping mode type. Please report this bug.

http://forum.unity3d.com/threads/78175-Unsupported-wedge-mapping-mode-type-WHY-(
Signed-off-by: Kalle Sjöström <c06ksm@gmail.com>