Added LuciDeviceScanner to scan OpenWrt Luci-RPC enabled router's state.
Merge remote-tracking branch 'up/master' into luci-checker
pep8 + pylint run fixes. Also refactored the json-rpc to happen only in one place (external library would be nice but oh well).
Merge pull request #2 from fingon/luci-checker

Added LuciDeviceScanner to scan OpenWrt Luci-RPC enabled router's state.