Set the main entry point to the built commonjs.

Author: kitsunde

package.json

@@ -2,7 +2,7 @@
   "name": "fastboot-app-server",
   "version": "1.0.0-rc.5",
   "description": "A production-ready app server for running Ember FastBoot apps",
-  "main": "src/fastboot-app-server.js",
+  "main": "dist/cjs/fastboot-app-server.js",
   "scripts": {
     "prepublish": "ember build",
     "test": "ember build && NODE_ENV=test mocha"