Add the first demo purpose version. Use it as start point. SAK-23349

git-svn-id: https://source.sakaiproject.org/svn/portal/branches/SAK-23349@121517 66ffb92e-73f9-0310-93c1-f5514f145a0a
Add the structure of the webRTC js that will be used to establish all the connections.  SAK-23349

git-svn-id: https://source.sakaiproject.org/svn/portal/branches/SAK-23349@121519 66ffb92e-73f9-0310-93c1-f5514f145a0a