mod_conversejs: Disable automatic BOSH/WS endpoint discovery
Converse.js 7.0 will enable this by default, but when using this module
the BOSH and WebSocket endpoints are provided in the generated HTML, so
automatic discovery is not needed and unlikely to work without an
additional module.
16 Your connection is encrypted using the %s protocol, which has been demonstrated to be insecure and will be disabled soon. Please upgrade your client.