Addressed switching regulator comments.
Cleaned up the layout.
Fixed the size of the 680uF capacitors. Added new voltage divider on SHDWN pin of switching controller.
Went through the size of all the passives.
Missed a file in previous commit.
Added debug prints to bootloader.
Merge branch 'master' of https://github.com/aithon/aithon into avrdude_serial
files for embedded bootloader
Merge branch 'avrdude_serial' of https://github.com/aithon/aithon into avrdude_serial