Logging wrong duration in the first simulation hour

[sebastian-peter]

11:55:09.855 INFO  e.i.s.e.l.RuntimeEventListener$ - ******* Simulating from 2011-01-01 00:00:00 until 2011-01-01 02:00:00. *******
11:55:10.080 INFO  e.i.s.e.l.RuntimeEventListener$ - ******* Simulation until 2011-01-01 00:15:00 completed. (duration: 280h : 6m : 23s , memory: 0.1 GB) ******
11:55:10.152 INFO  e.i.s.e.l.RuntimeEventListener$ - ******* Simulation until 2011-01-01 00:30:00 completed. (duration: 280h : 6m : 23s , memory: 0.1 GB) ******
11:55:10.152 INFO  e.i.s.e.l.RuntimeEventListener$ - ******* Simulation until 2011-01-01 00:45:00 completed. (duration: 280h : 6m : 23s , memory: 0.1 GB) ******
11:55:13.714 INFO  e.i.s.e.l.RuntimeEventListener$ - ******* Simulation until 2011-01-01 01:00:00 completed. (duration: 0h : 0m : 3s , memory: 0.1 GB) ******
11:55:13.781 INFO  e.i.s.e.l.RuntimeEventListener$ - ******* Simulation until 2011-01-01 01:15:00 completed. (duration: 0h : 0m : 3s , memory: 0.1 GB) ******
11:55:13.782 INFO  e.i.s.e.l.RuntimeEventListener$ - ******* Simulation until 2011-01-01 01:30:00 completed. (duration: 0h : 0m : 3s , memory: 0.1 GB) ******
11:55:13.782 INFO  e.i.s.e.l.RuntimeEventListener$ - ******* Simulation until 2011-01-01 01:45:00 completed. (duration: 0h : 0m : 3s , memory: 0.1 GB) ******