adds grunt dependencies
adds grunt dependencies

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