Bugfix/heroku build steps (#151)

* Build steps sequential to provide webpack-manifest for server build.

* Copy files that are not compiled with src babel compile.

Author: jdillick

package.json

@@ -10,7 +10,7 @@
     "build:gulp": "cross-env NODE_ENV=production gulp",
     "build:babel-core": "cross-env NODE_ENV=production babel .core --out-dir build/.core",
     "build:babel-reactium_modules": "cross-env NODE_ENV=production babel reactium_modules --out-dir build/reactium_modules",
-    "build:babel-src": "cross-env NODE_ENV=production babel src --out-dir build/src",
+    "build:babel-src": "cross-env NODE_ENV=production babel src --out-dir build/src --copy-files",
     "heroku-prebuild": "npx -p @atomic-reactor/cli arcli install",
     "static": "npm-run-all build:* && gulp static",
     "local": "gulp local",