tweaking the example code.
Merge branch 'master' of github.com:ryneches/Atlas

Conflicts:
	Examples/GetReadings/GetReadings.pde
delete old MUX-less version of shield
add Fritzing project file for MUX shield
add Gerber RS-274X machining files for MUX shield
add etchable PDFs for MUX shield
add etchable SVGs for MUX shield