Print errno related string when SSL_read/write fail with SSL_ERROR_SYSCALL. Also moved a docstring to the proper place.
Changed wording to something nicer.
docstring fix.
SO_REUSEADDR missing is not a reason to WARN loudly. Demote to VERBOSE.
Demoted to VERBOSE the instructions on how to trust a new client.
Fix wording when trust fails, so that messages are not so aggressive.

Also Change wording in serverd messages from host to peer.
Amended @ediosyncratic's nitpicks.
Merge pull request #1658 from jimis/minor

Reduce and beautify messages related to TLS protocol and trust on keys.