git: script to add upstream server
feeds.conf: copy from feeds.conf.default
feeds.conf: add mwan3 feed
build: no check root privilege
netifd: modify udhcpc script to add default gateway which is not in the same subnet.
netifd: add default gateway as host to workaround.
mac80211: enable wifi interface by default.
base-files: keep /usr/local/ when system upgrade.
base-files: add /usr/local/{,s}bin to default PATH environment.
base-files: root with default password. (hint:three)
scripts: tftp put script to upgrade from official to openwrt for WZR-HP-G300NH2.
scripts: add "config" to generate the delta of .config.
scripts: add "packages" to help using scripts/feeds.
config.list: default config WZR-HP-G300NH
config.list & package.list: install luci, luci-app-ddns, luci-app-qos, luci-app-wshaper
config.list: add ipset for fw3 (new firwall command).
package.list: add wifi-watchdog and mwan3
config.list: add usbnet driver, wifi-watchdog and mwan3