Fixed bug in C2 P8 search waypoint change routine

- Uncomment pirate_pos = [0 0] to test

Signed-off-by: Thomas Wang <twang@nps.edu>
Added game-over condition display and pirate image correlation

Signed-off-by: Thomas Wang <twang@nps.edu>
Added radar target detection

- Somewhat more sophisticated radar image processing
- No tracking algorithm implemented
- Simply declare pirate track when pirate has been detected twice consecutively
- Display radar detection

Signed-off-by: Thomas Wang <twang@nps.edu>