Cannot trigger errorMessageDialog in PagesView

```
Hi,

Is there a PDF file that can trigger the RenderingException and thus invoke 
onRenderingException() method at 
<https://code.google.com/p/apv/source/browse/pdfview/src/cx/hell/android/lib/pag
esview/PagesView.java#1060>?

Thanks,
Tony
```

Original issue reported on code.google.com by `tonywins...@gmail.com` on 10 Jun 2014 at 11:06
