iceProtocols added; refresh, preventSSLAutoAllowed and iceServers updated.

1. `connection.refresh` is updated. Now, session-reinitiation works as
expected. You simply need to call `connection.leave` to leave a session
and rejoin same session or join any other.
2. `connection.iceProtocols =
{ tcp: true, udp: true}` added.
3. STUN/TURN servers updated.
4.
`connection.preventSSLAutoAllowed` is disabled by default.

For recent changes;
https://github.com/muaz-khan/RTCMultiConnection-experimental#recent-changes

Issues?

1. onstream event MUST have only {event.session.screen} for screen
stream; and vice versa. It must also fixed audio+video+screen and
streams-distinguish issues.

2. connection.playRoleOfInitiator must have extra-data as well.

3. Audio/Video recording must support single-file for Firefox.

4. Need to use maxaveragebitrate for audio bandwidth.

5. Provide options to use local chrome extension for screen capturing.

For list of issues;
https://github.com/muaz-khan/RTCMultiConnection-experimental#issues