Added target.py on up-to-date branch
Fixed angle values and swapped width and height if nessacary
Fixed width and height, addded size sanity check and made findTarget return 0 if it has not found a targt
Merge pull request #2 from ArthurAllshire/vision

Vision
Corrected values in target.csv
Always return an image, even on failure. Test width to see if target was found.

Additional test images added to test harness.