Default kitkat bootloader for latest dn rom?

whats the best way to flash the kit kat bootloader to be able to charge while the phone is off? I'm currently running omni and would like to make the switch
Check out the UBER theme for N7 that I constantly update HERE!

Galaxy S2 Skyrocket
2012 Nexus 7
note 2 running OMNI
Nexus 5 with Rastakat and franco
and enjoying my 2013 nexus 7