tweak pi_bootstrap compressed file names
tweak pi_bootstrap compressed file names

CalmEQ/calmeq-pi-setup,adafruit/Adafruit-Pi-Finder,StealthMicro/Adafruit-Pi-Finder,CalmEQ/calmeq-pi-setup,octoblu/Adafruit-Pi-Finder,StealthMicro/Adafruit-Pi-Finder,octoblu/Adafruit-Pi-Finder,CalmEQ/calmeq-pi-setup,adafruit/Adafruit-Pi-Finder