fixed altitude in wp drawing
console: update mode display on HEARTBEAT
map: prevent rapid double clicks for drawing
raise version to 1.2.9
map: allow display of multiple vehicles on the map

a bit of a hack, but it will do for now
tracker: fixed for use in SITL
map: fixed for create_vehicle_icon in tracker
fixed flight mode update for tracker
flight mode is in HEARTBEAT for v1.0 mavlink
moved parameter handling into a module
log: fixed typo
tuneopt: moved tuneopt command to a module
don't display load information for default modules
removed unused functions
arm: moved arming to a module
move: moved mode command to a module
mode: allow switch to any mode by name
mode: moved guided command into mode module
calibration: moved calibration commands to a module
added more completions