Add Try/Catch logic to SocketInitiator.OnStart()

[Falcz]

Context in #833

[CLAassistant]

All committers have signed the CLA.

[gbirchmeier]

This doesn't build. You can't call session.Log there because there is no session identified.

I'm going to hack in a session-independent logger (similar to the File.AppendAllText hack in SocketInitiatorThreadStart()), but plan to replace that with something not-hacky very soon (see work-in-progress #830).

[gbirchmeier]

Can I get your name for the credit page? It's not in your git log name. You can email to my username at connamara.com if you like.