Don't connect eth0 to batman by default

src/freedombone

   echo 'interface to the ethernet port' >> /usr/bin/mesh
   echo 'brctl addbr bridge-link' >> /usr/bin/mesh
   echo 'brctl addif bridge-link bat0' >> /usr/bin/mesh
-  echo 'brctl addif bridge-link eth0' >> /usr/bin/mesh
+  echo '#brctl addif bridge-link eth0' >> /usr/bin/mesh
   echo '' >> /usr/bin/mesh
   echo '# get the ip address for the bridge from the dhcp server' >> /usr/bin/mesh
   echo 'dhclient bridge-link' >> /usr/bin/mesh