chore(package): update webpack-dev-server to version 2.10.1 (#1202)

Author: greenkeeper[bot]

package.json

@@ -126,7 +126,7 @@
     "prettyjson": "1.2.1",
     "sinon": "4.1.4",
     "webpack": "3.10.0",
-    "webpack-dev-server": "2.10.0",
+    "webpack-dev-server": "2.10.1",
     "yauzl": "2.9.1"
   },
   "author": "Kumar McMillan",