Merge pull request #81 from FreifunkBremen/master

remove kmod-usb-storage and kmod-usb-storage-extra
Update gluon packages
Remove now unneeded jshn patch
profiles.mk: fix typo
Merge pull request #86 from magujs/patch-1

profiles.mk: fix typo
contrib: add sign.sh
Update gluon packages
Update gluon packages
Update gluon packages
profiles: add support for the TL-WA901N/ND v2
Update OpenWRT and mac80211
Add support for the TP-LINK TL-WR841N/ND v9
Update upstream modules

This updates OpenWRT and rebases our patches.

Furthermore, the mac80211 module is removed as currently the Attitude Adjustment
main repo has a newer version (and some fixes that aren't in the backport repo).

Also, update odhcp6c from Barrier Breaker.
Update netifd from Barrier Breaker

This allows us to drop our config mode patch.
netifd: fix proto none crash
Update netifd again
Also update ubus alongside netifd and libubox
Add profile for D-Link DIR-825 rev. B1
Fix a few error messages and other strangeness on `make update` in a clean tree
Backport hostapd and mac80211 from Barrier Breaker