fix(package): update react-router-dom to version 5.1.0

Closes #247

Author: greenkeeper[bot]

package.json

@@ -65,7 +65,7 @@
     "react-dom": "^16.0.0",
     "react-dropzone": "^4.2.5",
     "react-redux": "^5.0.6",
-    "react-router-dom": "^4.2.2",
+    "react-router-dom": "^5.1.0",
     "react-router-redux": "^5.0.0-alpha.6",
     "redux": "^3.7.2",
     "redux-form": "^7.0.4",