APM_Control: make the default time constant 0.75

thanks to Tom for the testing!
Rover: make the default period 8

thanks Tom!
Rover: create 2.43beta5
AP_GPS: fixed examples build
AP_OpticalFlow: fixed example build
PID: fixed example build
AP_Compass: added Flymaple orientation
HAL_FLYMAPLE: initial port to flymaple board

See libraries/AP_HAL_FLYMAPLE/FlymaplePortingNotes.txt
build: added build files for Flymaple port
AP_Airspeed: changes for Flymaple port pins and caibration constants
AP_Baro: Chnages to flymaple port.

Flymaple has no EOC pin
AP_Common: Flymaple compatibility
AP_HAL: Added Flymaple board
AP_InertialSensor: Add flymaple support
AP_Notify: Add flymaple LED definitions
AP_Progmem: Add Flymaple support
Plane: Added definitions for Flymaple
Plane: Parameters BATTERY_MONITORING for Flymaple
Plane: defines.h added Flymaple INS
Plane: Added flymaple to ArduPlane