Logger should use the shell's stream
Added basic simavr 'board'
Made buffer generic-ish, removed some unused #defines
Removed unused malloc failure handling
Simulator now dumps to stdout
ADC was always using the dummy channel
Separated buffer int wrappers to their own module, added buffer_shift()
Added bootloader & USBasp programming targets
Function inlining causing more problems than it was solving
Bumped default uart baud rate to 230400