Fix physics UI

Normand Briere

2019-08-06 b3ae4e889872ca0b9ca76f1d17b2f0b961226729

 timeflow/app/AppState.java
..
..
@@ -16,7 +16,7 @@
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         {
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                 if (!new File(FILE).exists())
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                 {
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-                        System.err.println("No existing settings file found.");
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+                        //System.err.println("No existing settings file found.");
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                         return;
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                 }
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                 try