Fix netmsg quoting and make the applet send line-length packets, with NL
Enable netconsole by default
Add wireshark package (builds only dumpcap).

Originally from https://forum.openwrt.org/viewtopic.php?pid=115568#p115568, with some minor changes for NLS.
dropbear: drop change_user and disable_assert patches
samba: don't start nmbd if 'disable netbios = yes'.