zsys_interface: use default value from an environment variable if supplied.
zbeacon: check ifa_flags when scanning interfaces
Merge pull request #358 from mattconnolly/master

zsys_interface: use default value from an environment variable if supplied.
Merge pull request #359 from mattconnolly/interface-detection

zbeacon check ifa_flags to filter list of interfaces
zloop: clarify argument of zloop_timer_end()
Merge pull request #360 from mhaberler/master

zloop: clarify argument of zloop_timer_end()
libsodium fix as long a it is still broken
Merge pull request #361 from sappo/master

libsodium fix as long a it is still broken
Fix invalid frame memory leak in s_beacon_recv
Merge pull request #362 from m-marsella/master

Fix invalid frame memory leak in s_beacon_recv
zmsg recv no wait extension
Merge pull request #363 from sappo/master

zmsg recv no wait extension