Fix regression with refresh

Normand Briere

2019-06-25 ecff440ceef3ad352aa64cedbb913107ec4863a5

 timeflow/model/Display.java
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@@ -87,7 +87,7 @@
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                 colors.put("timeline.unspecified.color", new Color(0, 53, 153));
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                 colors.put("highlight.color", new Color(0, 53, 153));
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-                ints.put("timeline.datelabel.height", 20);
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+                ints.put("timeline.datelabel.height", 10);
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                 ints.put("timeline.item.height.min", 16);
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         }
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