Add a program to test the SPED-3

Signed-off-by: Josh Kilmer <srjek2@gmail.com>
Add an initial SPED3 implementation

Signed-off-by: Josh Kilmer <srjek2@gmail.com>
Functional SPED3, without rotational ability, and using freeglut.

Signed-off-by: Josh Kilmer <srjek2@gmail.com>