rename with WSP_ prefix
minor white space and comment diffs
reintroduce atp_add_to_queue()
better name: WSP_TRACKPAD_TYPE*
better name: WSP_TYPE?_BUTTON_DATA_OFFSET
interpret hard button press data
remove un-used and device-specific variable: status_bits
clear all status flags before calling interpret_sensor_data
there is no need to reset the wellspring device in the absence of motion
white space diffs
add a printf for mouse-button pressed
call add_to_queue with mouse changes.
minor improvement to the averaging of multi-stroke movement.