Changes
* CR2032 holder, $0.4968 @ 100: http://search.digikey.com/us/en/products/3003/3003K-ND/227448
* Pushbutton, $0.0916 @ 100: http://search.digikey.com/us/en/products/FSM4JH/450-1650-ND/1632536
* DIP switchPot, $0.6204 3197 @ 100, : http://search.digikey.com/us/en/products/2103306P-8MS1-105/CT2108MS3306P-105-ND/250378484994
* PCB 5cm x 10cm, $1.498 @ 50: http://www.seeedstudio.com/depot/fusion-pcb-service-p-835.html
