Network Monitor and Reloader For KIOSK Machines

Automatically detects network errors and reloads pages when the network is restored. Adds a new tab with a Maintenance message until the connection is restored. supports these network errors 'net::ERR_INTERNET_DISCONNECTED', 'net::ERR_NAME_NOT_RESOLVED', 'net::ERR_CONNECTION_REFUSED', 'net::ERR_ABORTED', 'net::ERR_CONNECTION_RESET', 'net::ERR_CONNECTION_TIMED_OUT', 'net::ERR_CERT_AUTHORITY_INVALID' and some 500 error messages from the server based the page error titles