updated readme
added license info
Added image of lincoln memorial (CC licensed)
added beginnings of stipplebomb program
make a window via pygame
figure out how to draw a filled circle with pygame
Draw dots with radii proportional to corresponding image coords
Make balls move, no ball-to-ball interactions yet
Add friction to damp velocities
be more careful regarding ints and floats
Add beginnings of space partitioning system

This is to allow interaction between balls without coming
to a screeching halt with an O(n^2) n-body problem.
more work on the space partitioning system
Compute forces on balls and accelerate them accordingly