temp display: no leading zeroes
display: cleanup static functions
display: add function to write integer
display: move config to config.h
display: comments
display: don't block in display_test()
display: don't assume display_size
display: small test() changes
i got bored
keypad: move configuration to config.h
cosmetic
cosmetic
cosmetic
cosmetic
update to work with atxmega32a4u
keypad: update mappings for protoboard