Notable Changes:
 * New IRCv3.2 capabilities support on client and server side
 * Increased max line lengths
 * support for stripping color control codes
 * various bug fixes

Signed-off-by: Rosen Penev <rosenp@gmail.com>
[jonas.gorski: add notable changes, switch to 1.7.1]
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>

Fixes a few potential segfauls and includes OpenSSL 1.1 compatibilty.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>

Now that we don't ship any modules by default, znc might be started
without any modules. Unfortunately znc refuses to start without any
modules, so patch out the appropriate check.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>