SoMoX does not reload the model if the text field is not modified

```
When we run the SoMoX more than one time with the same input path file, the 
model is not reloaded.

The loading of the model is called only then the Run configurations... is 
started. 
```

Original issue reported on code.google.com by `goran.pi...@gmail.com` on 3 Sep 2014 at 12:23
