minimalist-pcproxy/miniupnpd: added+using upnp.config.external_zone.
miniupnpd: fix typo in init script

A missing space in the init script prevented the detection of the external
interface. Fixes OpenWrt bug #16910.

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
babels: bump to latest version
hnetd: rework dependencies for luci-app-hnet