Signed-off-by: Roman <bapstroman@gmail.com>

Signed-off-by: Roman <bapstroman@gmail.com>

- reduce height increase during front transition

Signed-off-by: Roman <bapstroman@gmail.com>

- the mc pos controller will decrease throttle during the transition
and thus the vehicle will not pick up enough airspeed to complete the
transition

Signed-off-by: Roman <bapstroman@gmail.com>

Signed-off-by: Roman <bapstroman@gmail.com>

- removing unused variables
- removing unused code blocks
- improving code readability
- initialising members at definition

An airframe change keeps all RC params except the flight modes. This fixes
that.

 - this is needed for the unit tests

 - add preflight_check helper

 - this flag often results in hiding useful information, or adding
   useless information to the mavlink console