fixed byte order for ieee802.15.4 frame
correct byte order for IPv6 length field
correct byte order for UDP length field
Fix sixlowpan dependencies
Merge pull request #293 from authmillenon/fix_sixlowpan_dependencies

Fix sixlowpan dependencies
Merge pull request #259 from OlegHahm/ieee802154_frame_byteorder

fixed byte order in network stack
added debug information to msg_send (similar to msg_send_int)
Merge pull request #296 from OlegHahm/msg_debug

added debug information to msg_send (similar to msg_send_int)
Fix sixlowpan/icmp.h

size_t in function definition needs stddef.h include
Merge pull request #289 from authmillenon/fix_sixlowpan_icmp_h

Fix sixlowpan/icmp.h