vtol tailsitter attitude control (#7841)
vtol tailsitter attitude control (#7841)

* revise pitch transition start and actuator_out_1 in transition

* update with new matrix math library

mcgill-robotics/Firmware,mcgill-robotics/Firmware,jlecoeur/Firmware,krbeverx/Firmware,Aerotenna/Firmware,Aerotenna/Firmware,dagar/Firmware,krbeverx/Firmware,mje-nz/PX4-Firmware,mje-nz/PX4-Firmware,Aerotenna/Firmware,krbeverx/Firmware,Aerotenna/Firmware,jlecoeur/Firmware,mcgill-robotics/Firmware,dagar/Firmware,Aerotenna/Firmware,krbeverx/Firmware,Aerotenna/Firmware,acfloria/Firmware,PX4/Firmware,acfloria/Firmware,acfloria/Firmware,mje-nz/PX4-Firmware,acfloria/Firmware,Aerotenna/Firmware,dagar/Firmware,mcgill-robotics/Firmware,mje-nz/PX4-Firmware,PX4/Firmware,mcgill-robotics/Firmware,mcgill-robotics/Firmware,krbeverx/Firmware,dagar/Firmware,jlecoeur/Firmware,PX4/Firmware,PX4/Firmware,jlecoeur/Firmware,jlecoeur/Firmware,PX4/Firmware,krbeverx/Firmware,acfloria/Firmware,acfloria/Firmware,jlecoeur/Firmware,mje-nz/PX4-Firmware,mcgill-robotics/Firmware,dagar/Firmware,krbeverx/Firmware,PX4/Firmware,jlecoeur/Firmware,PX4/Firmware,acfloria/Firmware,jlecoeur/Firmware,dagar/Firmware,dagar/Firmware,mje-nz/PX4-Firmware,mje-nz/PX4-Firmware