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.
Fix /0 CIDR matching, it was triggerring undefined behaviour.
Merge pull request #1658 from jimis/minor

Reduce and beautify messages related to TLS protocol and trust on keys.
Merge pull request #1661 from jimis/cidr_fix

CIDR fix for /0 in IPv4.
Redmine #5380: Introduce privilege elevation in Windows testing.

This is needed in order to run tests as a user other than
Administrator, even if that user has admin privileges. The reason is
that Windows by default runs every process with non-admin rights, so
we need to elevate the privileges ourselves.
Merge pull request #1664 from kacfengine/gainroot_for_windows

Redmine #5380: Introduce privilege elevation in Windows testing.