chore(package): update typedoc to version 0.5.0

https://greenkeeper.io/

package.json

@@ -78,7 +78,7 @@
     "phantomjs-prebuilt": "^2.1.8",
     "tsify": "^2.0.3",
     "tslint": "4.0.1",
-    "typedoc": "^0.4.4",
+    "typedoc": "^0.5.0",
     "typescript": "^1.8.10",
     "typings": "^2.0.0"
   }