web: Add support for intermediate CA certs in channel_server.js
web: Add support for intermediate CA certs in channel_server.js

EricssonResearch/openwebrtc-examples,EricssonResearch/openwebrtc-examples,EricssonResearch/openwebrtc-examples,EricssonResearch/openwebrtc-examples,EricssonResearch/openwebrtc-examples,EricssonResearch/openwebrtc-examples