dao_counter wasn't initialized
informational output as debug
use a meaningful stacksize define
Merge pull request #354 from OlegHahm/network_cleanup

Network cleanup
fixed includes and timex initialization in ping lib
only cosmetics
started adding at86rf231 driver

at86rf231 TX and RX

driver is using vtimer instead of hwtimer_ functions, TO CHECK

vtimer debug function prototype fix
added AT86RF231 payload size
fixed some ifdefs and added necessary includes to transceiver.h
started adding at86rf231 driver

at86rf231 TX and RX

driver is using vtimer instead of hwtimer_ functions, TO CHECK

vtimer debug function prototype fix
added AT86RF231 payload size
bugfixes : #endif was missing, and TRANSCEIVER_AT86RF231 was colliding with another transceiver.
fixed some ifdefs and added necessary includes to transceiver.h
removed static for vtimer_print
use transceiver from master
removed superfluous parameter in rpl_send()
make TCP in destiny optional
added IPv6 upper-layer checksum calculation
calculate RPL checksum right before sending the ICMP packet
make use of the IPv6 upper-layer checksum calculation