FELIX-1545 implement last modification and last update trackers as simple counters (instead of System.currentTimeMillis()) : last modification time is incremented whenever Configuration.update(Dictionary) is called last update time is set to last modification time after each update of the Configuration's properties in a ManagedSerive[Factory].
felix/trunk/configadmin/src/main/java/org/apache/felix/cm/impl/ConfigurationImpl.java