reboot_required_notify: move all code to a ::wheezy class.

It doesn't work on Jessie and newer (#1).

manifests/reboot_required_notify.pp

@@ -1,21 +1,5 @@
 class apt::reboot_required_notify {
 
-  # This package installs the script that created /var/run/reboot-required*.
-  # This script (/usr/share/update-notifier/notify-reboot-required) is
-  # triggered e.g. by kernel packages.
-  package { 'update-notifier-common':
-    ensure => installed,
-  }
-
-  # cron-apt defaults to run every night at 4 o'clock
-  # plus some random time <1h.
-  # so we check if a reboot is required a bit later.
-  cron { 'apt_reboot_required_notify':
-    command => 'if [ -f /var/run/reboot-required ]; then echo "Reboot required\n" ; cat /var/run/reboot-required.pkgs ; fi',
-    user    => root,
-    hour    => 5,
-    minute  => 20,
-    require => Package['update-notifier-common'],
-  }
+  class { 'apt::reboot_required_notify::wheezy': }
 
 }

manifests/reboot_required_notify/wheezy.pp

@@ -0,0 +1,22 @@
+class apt::reboot_required_notify::wheezy {
+
+  # On Wheezy and older, this package installs the script that created
+  # /var/run/reboot-required*.
+  # This script (/usr/share/update-notifier/notify-reboot-required) is
+  # triggered e.g. by kernel packages.
+  package { 'update-notifier-common':
+    ensure => installed,
+  }
+
+  # cron-apt defaults to run every night at 4 o'clock
+  # plus some random time <1h.
+  # so we check if a reboot is required a bit later.
+  cron { 'apt_reboot_required_notify':
+    command => 'if [ -f /var/run/reboot-required ]; then echo "Reboot required\n" ; cat /var/run/reboot-required.pkgs ; fi',
+    user    => root,
+    hour    => 5,
+    minute  => 20,
+    require => Package['update-notifier-common'],
+  }
+
+}