Change the clamp-mss rule for bmx6 from x6+ for bmx+
Adds mss-clamping=1 to the openwrt firewall configuration
Remove OLSR code since it is not longer supported by qMp
Move some networking functions from qmp_functions.sh to qmp_network.sh
Change VLAN options approach: vid_offset is removed and protocol_vids specify the full VLAN tag (bmx6:2 -> bmx6:12). In case VLAN is not specified, tagging is not used.
Adapt the default configuration file to the new syntax
Add uci-default scripts to adapt the qmp config file to this new approach
Minor changes in the code