Cylon Eyes

Hey All! I had some fun writing C this week.  I tried to create the effect of a Cylon's eyes from Battlestar Galactica (https://www.youtube.com/watch?v=faukADr0_6g). It is setup to run a 24-LED Ring on pin 2. 

Configure Hardware
```
#define NUM_LIGHTS 24
#define PIN 2
```