chore(package): update typedoc to version 0.15.0

Closes #195

Author: greenkeeper[bot]

package.json

@@ -140,7 +140,7 @@
     "tmp": "^0.0.31",
     "ts-node": "^3.3.0",
     "tslint": "^4.5.0",
-    "typedoc": "^0.5.7",
+    "typedoc": "^0.15.0",
     "typescript": "^2.2.1",
     "webpack": "^2.2.1",
     "webpack-merge": "^3.0.0"