Merge pull request #918 from hnyman/sqm-backport

net/luci-app-sqm/Makefile

net/luci-app-sqm/files/sqm-cbi.lua

net/luci-app-sqm/files/sqm-controller.lua

net/luci-app-sqm/files/uci-defaults-sqm

net/sqm-scripts/Makefile

net/sqm-scripts/files/etc/config/sqm

net/sqm-scripts/files/etc/hotplug.d/iface/11-sqm

net/sqm-scripts/files/etc/init.d/sqm

net/sqm-scripts/files/usr/lib/sqm/functions.sh

net/sqm-scripts/files/usr/lib/sqm/run.sh

net/sqm-scripts/files/usr/lib/sqm/simple.qos

net/sqm-scripts/files/usr/lib/sqm/simple.qos.help

net/sqm-scripts/files/usr/lib/sqm/simple_pppoe.qos

net/sqm-scripts/files/usr/lib/sqm/simple_pppoe.qos.help

net/sqm-scripts/files/usr/lib/sqm/simplest.qos

net/sqm-scripts/files/usr/lib/sqm/simplest.qos.help

net/sqm-scripts/files/usr/lib/sqm/stop.sh