Removed dependency on async.js, prepared npm publishing

build/start.frag

@@ -5,6 +5,8 @@
         //see this AMD call, not the internal modules in
         //the closure below.
         define([], factory);
+    } else if (typeof module !== 'undefined') {
+        module.exports = factory();
     } else {
         //Browser globals case. Just assign the
         //result to a property on the global.