Add method to get the first neighbour which is about to expire
Code style fixes
Bugfix: Corrected wireshark bad FCS errors in COOJA Pcap export
Fixed mbxxx platform
Travis-ci tweaks, added CPUREV to 01 regression test, needed by mbxxx platform
Some little refactor
fix: default routes are removed correctly if no DAG with preferred parent is available
Use no metric container when having MRHOF with ETX, as specified in RFC6719. Renamed rpl-of-etx to rpl-mrhof.
Adapted comment
No-Path DAO Propagation
Ignore No-Path DAO if target is already reachable through a different route than the DAO sender
Improve readability of DAO output variables
Bugfix: DIOs with infinite ranks should not be ignored as they are used by RPL as a signal by nodes that have lost their routes. Instead of ignoring them, we should send out our latest information to let the node with infinite rank find their way into the network again.
Minor code style fix
Merge pull request #299 from jdede/rpl-rm-neighbor

Default route not removed
Merge pull request #300 from cetic/rpl-nopath-dao

RPL No-Path DAOs
Merge pull request #301 from adamdunkels/hotfix-rpl-max-dio

RPL bugfix: don't ignore infinite rank DIOs
Merge pull request #266 from ismb-pert/fix-mbxxx

mb851 platform is now the more generic mbxxx. STM32W_CPUREV environment variable is used to select the variant of STM32W to use.
Added realclean and mostlyclean targets to Makefile.include
Merge pull request #254 from LocutusOfBorg/fix-makefile

Fixed Makefile.include