update makefile and add two new builds, closure/small and noclosure/fast
remove some unimplemented functions to let asm validation succeed
update makefile
update demo link
support asm
update webgl demo
disable shadows in demo
simply demo output element
workerify demo
fix and improve fps reporting
aim for 60fps simulation and 30fps rendering
improve box start positions in demo
use setInterval in worker
increase benchmark time
bump cubes to 300
optimize webgl rendering, share materials and meshes
adjust html
allow defining the # of boxes
fix
dropdown to pick # of cubes