chore(package): update jsdoc-to-markdown to version 4.0.0 (#38)

Author: greenkeeper[bot]

package.json

@@ -72,7 +72,7 @@
     "babel-preset-es2015": "^6.24.0",
     "coveralls": "^2.12.0",
     "jest": "^21.0.0",
-    "jsdoc-to-markdown": "^3.0.0",
+    "jsdoc-to-markdown": "^4.0.0",
     "jest-cli": "^21.0.0",
     "rollup": "^0.48.0",
     "rollup-plugin-babel": "^2.7.1",