Start the data manager and navigator at the last moment to leverage their dynamic allocations to use smaller chunks of RAM
Reduce buffer sizes to reasonable quantities for UART
blinkm: Remove the barrage of static variables in mainloop, eating up RAM for everybody
hmc5883: Change static topic publication to the class member it should be, initialize collect phase (linter find)
hrt driver: Make a debug data array compiling condiditional on PPM debug, we are never accessing it in normal operation