increased min gap size and helpful debug outputs
removed compass display
preparation for FRE-test 17/6/2014 (narrower gap, slowing down for bigger angle, navigation line from history)
tested Task1
Task2 - ver0
FRE - release version for Task1
FRE14 - Task2
FRE14 - Task3, handling RTK GPS, and limited (max 5 balls) output file generation
sort images with balls to separate folder
FRE - stronger balls filtering (narrower window, upper pixel count limit, yellow -> bright)
FRE14 - prepared for Task3