optiLoader updated (Automatic bootloader burner.)

I've updated optiLoader with an "chip alias table", so that it should now be able to automatically put optiboot onto any of ATmega8, ATmega8L, ATmega8A, ATmega168, ATmega168A, ATmega168PA, ATmega168PB, ATmega328, ATmega328P, and ATmega328PB. (it still has an old version (4.4) of optiboot itself. (One thing at a time!)) https://github.com/WestfW/OptiLoader

As a reminder, both Adafruit and Nick Gammon have sketches with enhanced functionality, based loosely on optioader...