Link-local only mesh

NM file to do only link-local mesh. Useful for creating a mesh between a few XO's for a demonstration.

su -
echo "local" > /etc/NetworkManager/mesh-start
<restart>

You can still click an access point in the mesh view to connect to the internet, but by default (and also if you click the circle in mesh view) this will make NM only do link-local mesh.

To clear this, remove that file and restart.