Added assertion on allocation failure for parameter change storage, removed magic numbers
Added assertion on allocation failure for parameter change storage, removed magic numbers

krbeverx/Firmware,dagar/Firmware,mje-nz/PX4-Firmware,Aerotenna/Firmware,dagar/Firmware,mje-nz/PX4-Firmware,darknight-007/Firmware,darknight-007/Firmware,dagar/Firmware,dagar/Firmware,mje-nz/PX4-Firmware,dagar/Firmware,Aerotenna/Firmware,Aerotenna/Firmware,krbeverx/Firmware,mje-nz/PX4-Firmware,darknight-007/Firmware,jlecoeur/Firmware,jlecoeur/Firmware,Aerotenna/Firmware,PX4/Firmware,mcgill-robotics/Firmware,acfloria/Firmware,mcgill-robotics/Firmware,krbeverx/Firmware,PX4/Firmware,PX4/Firmware,acfloria/Firmware,mcgill-robotics/Firmware,krbeverx/Firmware,Aerotenna/Firmware,acfloria/Firmware,Aerotenna/Firmware,acfloria/Firmware,mcgill-robotics/Firmware,dagar/Firmware,darknight-007/Firmware,PX4/Firmware,mje-nz/PX4-Firmware,acfloria/Firmware,jlecoeur/Firmware,PX4/Firmware,jlecoeur/Firmware,acfloria/Firmware,jlecoeur/Firmware,krbeverx/Firmware,Aerotenna/Firmware,jlecoeur/Firmware,mje-nz/PX4-Firmware,mcgill-robotics/Firmware,dagar/Firmware,acfloria/Firmware,PX4/Firmware,jlecoeur/Firmware,krbeverx/Firmware,krbeverx/Firmware,darknight-007/Firmware,jlecoeur/Firmware,PX4/Firmware,mcgill-robotics/Firmware,mje-nz/PX4-Firmware,mcgill-robotics/Firmware