Initial commit.
Added some js
Begun playing with three.js example.
Gravity working.
Removed fixed framerate.
Added basic collision constraint.
Added third-party seedable Math.random()
Added README
Added some info to README.
Changed gthing to physthing.
Forgot one.
Added elastic collisions.
Comments in js/physthing.js.
Changed collision test case.
Setting up for merge from master.
Merge branch 'master' into gh-pages