[Qt-interest] Joystick support

[Nechypurenko, Andrey (GE Healthcare)]

>> It works with all joysticks supported by SDL, and it runs on all its 
>> platforms (tested: Linux, Mac OS X and Windows).
>> 
>> Yes, I use the polling approach because I didn't want to have a
second 
>> event loop (SDL's and Qt's event loops)... that's good enough for all

>> I wanna do, and it's really working nicely!
>
>Thanks.
>I am not sure if I want to add SDL into project. Anyway, thank you.

As an alternative, you can take a look at plib
http://plib.sourceforge.net/js/index.html . It works find for me.