NetworkMap.devices(): returns all devices as vector
NetworkMap.*: access neighbors
NetworkMap: access links, not sockets
link negotiation again...
PacketHandler.cpp: remove redundant constant
NetworkMap::link_between: nonexistent links
NetworkMap::link_between: fix typo
Connection: don't check interface permissions on sending for now
link negotiation does something
Merge git://github.com/andres-erbsen/vindicat
cleanup