Added comments, refactored few things

- changed HAO name to STRATERRESTRE
- removed duplicate camera-related constants in defs.h
- timeOfUnmovingBallCounter has been renamed to
stillnessDurationInSecondsCounter
- TIME_OF_UNMOVING_BALL_COUNTER_BASE_ADDRESS has been renamed
 to STILLNESS_DURATION_IN_SECONDS_COUNTER_BASE_ADDRESS
- stateOfMobileVideoCamera has been renamed
to motorizedCameraRunningStatusCounter
- stateOfGroundVideoCamera has been renamed
to groundCameraRunningStatusCounter
- stateOfSkyVideoCamera has been renamed
to skyCameraRunningStatusCounter
- modeOfMobileCamera has been renamed
to motorizedCameraModeCounter
- modeOfGroundCamera has been renamed
to groundCameraModeCounterCounter
- modeOfSkyCamera has been renamed
to skyCameraModeCounter
- STATE_OF_MOBILE_VIDEO_CAMERA_COUNTER_BASE_ADDRESS has been renamed to
MOTORIZED_CAMERA_RUNNING_STATUS_COUNTER_BASE_ADDRESS
- STATE_OF_GROUND_VIDEO_CAMERA_COUNTER_BASE_ADDRESS has been renamed to
GROUND_CAMERA_RUNNING_STATUS_COUNTER_BASE_ADDRESS
- STATE_OF_SKY_VIDEO_CAMERA_COUNTER_BASE_ADDRESS has been renamed to
SKY_CAMERA_RUNNING_STATUS_COUNTER_BASE_ADDRESS
- TIME_LIMIT_OF_UNMOVING_BALL has been renamed to
STILLNESS_DURATION_IN_SECONDS_LIMIT
Fixed bug in defs.h

- camera mode counters were overlapping