Merge pull request #174 from scottnonnenberg/fix-npm-2x

Add history as top-level dependency

Author: KyleAMathews

package.json

@@ -30,6 +30,7 @@
     "hapi": "^8.5.1",
     "hapi-webpack-plugin": "^1.3.0",
     "highlight.js": "^9.1.0",
+    "history": "^2.0.0",
     "html-frontmatter": "^1.5.1",
     "json-loader": "^0.5.2",
     "less": "^2.6.0",