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
restructure transceiver driver feature macros

addresses https://github.com/RIOT-OS/RIOT/pull/278#discussion_r9544743
fix feature macros
fix maca get_channel transceiver switch
Merge remote-tracking branch 'ludwig/transeiver_command' into cc110x_header
adapted sc_transceiver.c include for cc110x