Fix timeflow examples.

Normand Briere

2019-04-24 92e4487d01f910c705211ffb5762a5c96bdd6d8c

 timeflow/app/actions/TimeflowAction.java
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@@ -27,7 +27,7 @@
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 	}
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-    protected TFModel getModel()
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+    protected TimeflowModel getModel()
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     {
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     	return app.model;
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     }