adding notes or electronics
adding ADC pinout document
adding FSRW test code for ADC/SD shield

will move to own directory later
moving fsrw_test to own directory
adding files needed for fsrw_test, editing makefile

everything works now...

note: pst.str(string(13,10)) sends CRLF for compatibility with xterm.
string(13) suffices with the parallax serial terminal, but that is
evidentyl non-standard?  see
http://forums.parallax.com/archive/index.php/t-150741.html for more
info/ranting.