Added io init for MCU_B
Added atmel studio settings

might be unnecessary :smile:
LED stuff is now outlined
Set up system timer and adc

also refactored LED stuff a bit
Added SPI init code and moved some vars around

also added some LED optimization (only updates every LED cycle); added
LED convenience function
omg the leds work now

also improved bool testing when leds are set as part of that
Added debug button sensing

with LED indicators AND debouncing! :)
Merge pull request #1 from OlyCow/atmel

Marginally usable LED debugging