Add browserify transform, rename main
Start adding support for voxel-decals (vs three.js)

Requires deathcap/voxel-decals@78bd0d0779c655ca30e9ab5b89f18bf656e1ccb9
Working voxel-decals support; preload textures, fix change/remove checks

Requires deathcap/voxel-stitch@eb7600e4e17bc435128d7ab7f1dd5c4e7b03f1b3
0.4.0