reverted 18e97f6dd5457538c7bf39c6abcf346f5a080ca5
added a transceiver independent ignore function
convert into host byte order in UDP reception
make TCP in destiny optional
udp_packet_handler uses printf, stack must be bigger
fix copy&paste typo
moved stack from header to C file
removed superfluous parameter in rpl_send()
fix recv_rpl_dio, missing return, refactor
unbrick send_DAO by checking my_dodag
fix rpl_find_preferred_parent
making the pedantic gcc happy
removed unused parameter of internal get_udp_socket()
removed unused len parameter for borderrouter demultiplex()
add toa to packets in nativenet

also change order of fields to reflect radio types header
 set message type for lowpan and ipv6 notifier
added a dedicated stacksize for float printfs
tiny debug improvement for RPL
added IPv6 upper-layer checksum calculation
calculate RPL checksum right before sending the ICMP packet