chore(package): update concurrently to version 3.4.0

https://greenkeeper.io/
2017-03-02 03:27:51 +00:00 · 2017-03-02 03:27:51 +00:00 · 1547eb26d3
--- a/package.json
+++ b/package.json
@ -233,7 +233,7 @@
    "chai": "3.5.0",
    "chalk": "1.1.3",
    "cheerio": "0.22.0",
-    "concurrently": "3.3.0",
+    "concurrently": "3.4.0",
    "cookie": "0.3.1",
    "css-loader": "0.26.1",
    "deepcopy": "0.6.3",