Network support

Since e871bdb4 a network device has been implemented which sends Ethernet frames via web socket to another server. The web server has to handle the packets, e. g. send it to a Linux tap device. For example by using these scripts:

• https://github.com/benjamincburns/websockproxy

More information can be found in Ben Burns blog posting: jor1k ethmac support

An alternative implementation in Go exists:

• https://github.com/gdm85/go-websockproxy

It has some experimental optional features (like authentication).