chore(package): update concurrently to version 3.2.0

https://greenkeeper.io/

package.json

@@ -214,7 +214,7 @@
     "chai": "3.5.0",
     "chalk": "1.1.3",
     "cheerio": "0.22.0",
-    "concurrently": "3.1.0",
+    "concurrently": "3.2.0",
     "css-loader": "0.26.1",
     "deepcopy": "0.6.3",
     "eslint": "3.14.1",