print more of the network settings (externip, externhost etc.)

in the "sip show settings" cli output. I have put these in a
separate section, probably even bindaddr and SIP port should go
there.

There are more things to add here e.g. localnet and so on.



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@75878 65c4cc65-6c06-0410-ace0-fbb531ad65f3