add oonf_api pkg
moved debugging statements from header to c file

Additionally, declaring the stacks as static.
amendment - to be squashed
tests: add test that shows sequence of received messages
test_thread_msg_seq: add missing main() return statement
Replace '-' with '_' in BOARD and CPU_… macros
Fix BOARD macro
core:mutex: allow idle thread to use mutexes
Add test if the message queue is fair
use cpu dependent stack size
apply channel mask when setting the channel
Fix address output of net_if shell command
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 pull request #869 from authmillenon/net-if-shell

sys:net:net_if: Fix address output of net_if shell command
removing possible invalid check

Checking for a link local address to determine if a node is on-link is
probably not a valid assumption in most wireless networks.
fix ignore command
use forwarding table entry when routing

So far the entry was looked up, but ignored in the case where the packet
has to be forwarded.
added missing hdr position shift