Too large control buttons on Nokia Asha 310

[Petrprogs]

Panel with 50*50:

Panel with 30*30:

I think we need one more parameter - something like 40x40, because 50x50 is too large and 30x30 is too small

[Feodor0090]

I will solve this sooner than later by nuking button's pngs completely and drawing procedure rect and icon on it. After that it will be trivial to add "real-time" slider in settings with exact size in pixels, not "small/large".