adding try catch on tun
NotImplementedError exception is raised if running application on OS different from Windows or Linux.
Indentation
Adding functional test for ping_responder.
Cleaner display of IPv6 address in signal.
SW-20. Fix.
SW-21. Fixing parsing of macStats.
SW-16. Fix.
RPL uses utils exclusively from openvisualizer_utils.
Cleaning up RPL.
Merge remote-tracking branch 'upstream/develop_SW-17' into develop_SW-17_kb

Using upstream ParserStatus for proper resolution to ScheduleRow length bug.