Top down rendering, partial commit

package.json

@@ -12,5 +12,13 @@
     "three": "~0.66.2",
     "libxml-to-js": "~0.3.11",
     "brfs": "~1.1.1"
+  },
+  "devDependencies": {
+    "node-sass": "latest",
+    "grunt": "latest",
+    "grunt-autoprefixer": "latest",
+    "grunt-contrib-watch": "latest",
+    "grunt-sass": "latest",
+    "matchdep": "latest"
   }
 }