[patches] import luci-freifunk-policyrouting-berlin.patch

This should fix the openvpn setup.
[configs] set version information
[packages] added mtr to minimal list
Merge remote-tracking branch 'remotes/origin/policyrouting'
[patches] added freifunk gwcheck jshn patch

since 83e9122 network.sh depends on jsonfilter
and therefor jshn is missing for gwcheck.