Plist library might be too much hassle for storing configs.

Even the potential of using XML format doesn't seem to useful.
Connect to the peer by EID.

Using rendezvous server at the moment.
One small bug to fix.
Set endpoints information in client profile.

This is necessary before the bug with endpoints() access in
client_profile is fixed.
OPUS streaming demo is able to find another endpoint by EID and connect.