chore(package): update auto-changelog to version 1.12.1

Closes #50

Author: greenkeeper[bot]

package.json

@@ -51,7 +51,7 @@
   },
   "homepage": "https://github.com/nason/universal-npm-starter#readme",
   "devDependencies": {
-    "auto-changelog": "0.3.1",
+    "auto-changelog": "1.12.1",
     "babel-core": "6.18.2",
     "babel-loader": "6.2.8",
     "babel-plugin-external-helpers": "6.18.0",