Update README to reflect on-premise requirements (#715)
Update README to reflect on-premise requirements (#715)


housinghq/main-raven-js,getsentry/raven-js,getsentry/raven-js,getsentry/raven-js,housinghq/main-raven-js,housinghq/main-raven-js,Mappy/raven-js,Mappy/raven-js,getsentry/raven-js,Mappy/raven-js