replace shell commands for different transceivers with one transceiver command
make transceiver get/set address type safe
replace uint16_t with radio_address_t in maca

adpots includes and makes them adhere to the coding conventions
replace uint16_t with radio_address_t in at86rf231

adpot includes
replace uint16_t with radio_address_t in cc2420

adpot includes
transceiver channel/pan type safety

make transceiver commands for channel and pan type safe with regard to
their integer type