Fix at86rf231-channel
use cpu dependent stack size
apply channel mask when setting the channel
Merge remote-tracking branch 'oleg/at86rf_channel' into tmp-old
Fix length of fragmentation buffer in 6LoWPAN
Merge pull request #868 from OlegHahm/at86rf_channel

apply channel mask when setting the channel
Disable debug output for at86rf231 driver
Merge pull request #871 from authmillenon/at86rf231-debug-output

at86rf231: Disable debug output for at86rf231 driver
Merge remote-tracking branch 'upstream/master' into tmp-old
Merge branch 'fragbuf' into tmp-old
Merge remote-tracking branch 'oleg/uart_stacksize' into tmp-old