When using cmake to build the project, cJson discovery
should only be performed if WITH_CJSON=ON.

Closes #2026.

Signed-off-by: Boris Feinstein <madhat1@gmail.com>

Closes #2017. Thanks to Craig Leres.

Produce an error when requesting a new password if both
attempts do not match.

Closes #2011. Thanks to Willem Eradus.

Closes #2010. Thanks to Willem Eradus.

This is when building with systemd support on Linux.

Closes #2019. Thanks to Mark Symmes.

Closes #2020. Thanks to FozzTexx.

This happened in `mosquitto_broker_publish` and
`mosquitto_broker_publish_copy` only.

This could have occurred when a will delay interval had been set.

Closes #2008. Thanks to Willem Eradus.

For example `mosquitto_publish()` and `mosquitto_publish_v5().

Close #2005. Thanks to Willem Eradus.

Merge branch 'make-sure-xsltproc-installed' of git://github.com/Hallot/mosquitto into Hallot-make-sure-xsltproc-installed

This ensures that man pages are always built, even if a user runs `make
install` without building first.

Closes #1989. Thanks to woodz-.

This occurred if a group or client was deleted before a role that was
attached to the group or client is deleted.

Closes #1998. Thanks to Willem Eradus.

Closes #1997. Thanks to Willem Eradus.

Closes #1999. Thanks to Joerg55.

Closes #1995. Thanks to fyta2000.

Signed-off-by: Pierre Hallot <hallotpierre@gmail.com>

This is /var/lib/mosquitto/mosquitto.db.new.

Closes #1978. Thanks to gnampf89.

Also fix bridge connection not relinquishing POLLOUT after messages are
sent.

Closes #1977. Thanks to marchaesen.
Closes #1979. Thanks to GorazdKikelj.

Closes #1975. Thanks to Jinming Chen.