create gui to manage pokeys matrix setup 

```
create a gui to define a 16x8 matrix and map the rows,columns to pins on the 
pokeys.
Then update the pokeys config with the values.

be mindful that in the future you will need to manage multiple pokeys ids


```

Original issue reported on code.google.com by `whartsell` on 18 Oct 2012 at 10:54
