chore(package): update typedoc to 0.14.1

quickly tested, built docs look good (pretty much same as before)
close #481

package.json

@@ -89,7 +89,7 @@
     "ts-loader": "^4.1.0",
     "tslint": "^5.8.0",
     "tslint-loader": "^3.5.3",
-    "typedoc": "^0.13.0",
+    "typedoc": "^0.14.1",
     "typescript": "^2.6.1",
     "uglifyjs-webpack-plugin": "^2.1.1",
     "underscore-template-loader": "^1.0.0",