added IPv6 upper-layer checksum calculation
calculate RPL checksum right before sending the ICMP packet
make use of the IPv6 upper-layer checksum calculation
filled up IPv6 netmask correctly
Merge pull request #350 from OlegHahm/ipv6_csum

IPv6 Upper-Layer Checksums
fix for the redbee-econotag Makefile to work again
fixes to build default project and clean properly
Merge pull request #335 from thomaseichinger/makefile

fix redbee-econotag Makefile
core: IPC: introduce msg passing with buffer copying