libtorc-core: Fix UI updates for known Torc peers that connect directly
via a WebSocket
libtorc-core: Fix remote port for peers connected directly via WebSocket

- if a peer connects with a WebSocket before any other discovery, we
don't actually know what port the peer's server is running (we only know
the WebSocket port). So add another Torc specific header to the upgrade
request.
libtorc-core: Make TorcNetworkService more QML friendly.