experiment/noop: new compiler put out different v1 source.
experiment/new: three.js rendering of nodes. no real structure here.
repo/new: need to exclude node_modules.
tree/new: node struct and basic manipulation impl and tests.

* tree-level manip needs tests still.
build/new: add Gruntfile, package.json for basic compilation + testing.
repo/new: add a basic readme.