chore(package): update webpack-dev-middleware to version 1.10.1
chore(package): update webpack-dev-middleware to version 1.10.1

https://greenkeeper.io/

tsl143/addons-frontend,tsl143/addons-frontend,mozilla/addons-frontend,tsl143/addons-frontend,kumar303/addons-frontend,kumar303/addons-frontend,tsl143/addons-frontend,aviarypl/mozilla-l10n-addons-frontend,aviarypl/mozilla-l10n-addons-frontend,kumar303/addons-frontend,kumar303/addons-frontend,aviarypl/mozilla-l10n-addons-frontend,mozilla/addons-frontend,aviarypl/mozilla-l10n-addons-frontend,mozilla/addons-frontend,mozilla/addons-frontend