Partial conversion of Joystick interface to decouple it from the AR.Drone
Merge branch 'master' into joystick_convert
Move around ROADMAP items.  Bump version number.
Reminder to document how to build WumpusRover
Setup for new joystick support in AR.Drone.  Not quite there with WumpusRover joystick support.
WumpusRover takes joystick events
WumpusRover joystick works
Fixed navdata packets coming back with NaN float
Correct WumpusRover turning outputs for joystick.  Add note to changelog about AR.Drone navdata NaN fix.  Cleanup done changelog items.
Add note about startup script for WumpusRover