Retime scenes based on overnight measurments

Latest averages, before this commit, were:

narrator: ------------------- Summary ------------------
narrator: Total loops: 42
narrator:       loop total 18:00:10.03  average 00:25:43.10
narrator: state 10   total 03:31:29.31  average 00:05:02.13
narrator: state 20   total 00:46:01.55  average 00:01:05.75
narrator: state 30   total 03:12:56.84  average 00:04:35.64
narrator: state 40   total 04:55:25.77  average 00:07:02.04
narrator: state 50   total 01:46:41.52  average 00:02:32.42
narrator: state 60   total 01:40:01.35  average 00:02:22.89
narrator: state 70   total 00:25:35.17  average 00:00:36.55
narrator: state 80   total 01:41:58.53  average 00:02:25.68
narrator: ----------------------------------------------

Retiming to hit an average of 2 minutes per scene. Currently not tracking variance.