platform deRFmega128: SLIP PORT can also be set in Makefile
platform deRFmega128: small changes in contiki-main.c
platform deRFmega128: indentation changed
tools Makefile: better border router configuration
project sn-sensoransteuerung: ipv6 added
platform deRFmega128: IPv6 print
platform deRFmega128: some warnings added to params.*