JH/10 Enable use of sendfile in Linux builds as default. It was disabled in
4.77 as the kernel support then wasn't solid, having issues in 64bit
- mode. Now, it's been long enough.
+ mode. Now, it's been long enough. Add support for FreeBSD also.
JH/11 Bug 2104: Fix continued use of a transport connection with TLS. In the
case where the routing stage had gathered several addresses to send to