[rotorcraft] allow usage of rc_commands and auto_rc_commands sections just like for fixedwings
[build_sytem][tools] use ocamlfind -package, probably fix gen_srtm and build normal bytecode ocaml files instead of runtime compilation/linking via script
[imu] aspirin 1.x: wait/retry on I2C transmission when configuring gyro
[rotorcraft] RC commands set when not in nav

Rotorcraft commands are set with a specific macro
[sim] call electrical_periodic in sim to get the current estimate