Bombs got updated!

The problem was that an explosion adds an equal amount of force everywhere. Now the force is divided by the distance. It looked crap because imagine blowing up a small petard and it damages you over 100km the same as you would put your face in front of it and at some point the explosion damage just turns off. Weird? Now it's fixed. Also I made the FPS and particle count update in the in-game menu too. I think particle count is unnecessary but I'll do some optimization later. (I don't have time for that)