HipChat service doesn't honor proxy env variable
Customer has set the
https_proxy env vars in Omnibus. http://docs.gitlab.com/omnibus/settings/environment-variables.html
HipChat doesn't seem to honor the settings.
tcpdump verifies this. This makes sense since we're using the HipChat gem. We may need to add some configuration to the service to pass along the env vars.
HipChat should connect through the HTTP proxy instead of using the normal network gateway.