Documentation: Add a note on unreachable preventing notifications being sent.

Refs #4789
Documentation: Fix cluster health check example.

Fixes #6198
Disable non-working kernel check in sample config.

Refs #6012
Move kernel check to the Debian package directory.

Refs #6012
Add missing dependencies for the Debian package.

Refs #6012
Fix another spelling mistake.

Refs #5795
Implement support for the zones.d config directory.

Refs #6191
Add missing file.

Refs #6191
Update the spec file.

Refs #6191
Update spec file (again).

Refs #6191
Implicitly set zone attribute for files includes from zones.d.

Refs #6191
Implement the config::Update message.

Refs #6191
Implement support for precompiled headers.