Fix for vis_stream does not work with Matlab R2014b

```
It seems Matlab's new graphics system has broken vis_stream. The only problem 
is in supergui line 109, finputcheck requires fig to be numeric but it is now 
an object. I just emptied the type column (i.e. '') and it works again.
```

Original issue reported on code.google.com by `chadwick...@gmail.com` on 3 Dec 2014 at 6:47
