Add GhettOSD to main tree.
Ground OSD for Ghettostation based on minimosd-extra ( use Minimosd hardware)
Ghettostation converts telemetry data received to LTM packets and send them to GhettOSD trough 2nd serial port for Mega or SoftwareSerial for Teensy++2.

Supported panels:
Flight time / RSSI / sats number / sat fix / Warning message / Altitude / Altitude relative to ground / Heading / Heading rose / Horizon / Current / Consumed current / Voltage / Flight mode / Home direction / Pitch / Roll