qmpfw: Quick Mesh Project legacy firmware generator (deprecated)

Rebuild all remaining config files
Only diffconfig is stored now (not all the config)
Adapt the configs to new bmx6/luci-app-bmx6

targets.mk and config files adapted to the new version of qMp based on Openwrt attitude adjustment

Regenerated all config files to add the new bmx6-luci and in some big nodes luci-qos and luci-radvd

Added new target for VirtualBox vbox