+2008-08-24, Version 4.5.0
+ * collectd: Added the ability to flush certain identifiers.
+ * collectd: The concept of `notification meta data' has been
+ introduced.
+ * filecount plugin: The new filecount plugin counts the number of
+ files in a directory and its subdirectories.
+ * ipmi plugin: Sensor names have been changed to ensure unique names.
+ Notifications upon added and removed sensors can now be generated.
+ * notify_desktop plugin: This new plugin sends notifications to the
+ X desktop using the structure defined in the `Desktop Notification
+ Specification'.
+ * notify_email plugin: This new plugin sends out notifications via
+ email, using the `esmtp' library.
+ * postgresql plugin: The new postgresql plugin collects statistics
+ from an PostgreSQL database.
+ * processes plugin: The `ProcessMatch' option has been added.
+ * rrdtool plugin: Implement throttling of the `update queue' to lessen
+ IO load.
+ * tcpconns plugin: This plugin has been ported to OpenBSD.
+ * thermal plugin: The new thermal plugin collects system temperatures
+ using Linux ACPI thermal zone data.
+ * TODO: onewire plugin?
+