[reSIProcate] Changes to resiprocate needed to supportoutbound-only connections

[Adam Roach]

Derek MacDonald wrote:

>I've been looking into this as repro will not handle tls on a lan unless ppl
>have their connect port as a contact.  My take on it was to have an opaque
>token we could set on the SipMessage(for outgoing requests, via should work
>for responses)...
>

I presume that Rohan's intention is to implement something that will 
support the outbound connection work being done in the IETF. See 
draft-jennings-sipping-outbound-01.

/a