cleaning up, reformat and etc
cleaning up light sensor section
slowScope project added.  boom.
reworked slowscope really quick to remove interrupts
tweaks.  making it minimal.  removing last vestiges of interrupts.
more streamlining.  nice pared-down serialScope.
quick night-light app.  just a few lines, but covers ADC muxing.
some formatting, some reworking to 1MHz clocks
quick overhaul of i2c.  using power.h for speed, etc.  all good.
removed extraneous pullups in i2c, fixed up cpu clock
reverting pwmOnAnyPin to published version.  was playing around.
reworking i2c / spi
some indents.  preparing for the big dealy
automatic 2x running of my code reformatter
making sure everything compiles
fixed up voltmeter.  this version of code went to press?