Release rescached v4.0.0

Rescached now have a web user interface (wui) that can be accessed at
http://127.0.0.1:5380.

The interface can be used to monitoring caches, managing caches, environment,
blocked hosts, internal hosts files, and zone files.

==  Breaking changes

*  The `rescached::dir.hosts` now default to "/etc/rescached/hosts.d"

*  The `rescached::dir.master` now default to "/etc/rescached/zone.d"

1 files changed, 8 insertions, 0 deletions

diff --git a/rescached.install b/rescached.install
new file mode 100644
index 000000000000..f5f23821b798
--- /dev/null
+++ b/rescached.install
@@ -0,0 +1,8 @@
+## arg 1:  the new package version
+post_upgrade() {
+	cat <<EOF
+!!! The "/etc/rescached/master.d" directory has been renamed to
+    "/etc/rescached/zone.d".  You should copy the files manually before
+    restarting the rescached.service.
+EOF
+}