fix(package): update babylon to version 6.15.0 (#269)

greenkeeper[bot] · KnisterPeter · commit 8bb7da27c0a9 · 2017-01-11T06:59:23.000+01:00
https://greenkeeper.io/
diff --git a/package.json b/package.json
@@ -63,7 +63,7 @@
   },
   "dependencies": {
     "astq": "2.0.0",
-    "babylon": "6.14.1",
+    "babylon": "6.15.0",
     "dts-dom": "0.1.12",
     "get-stdin": "5.0.1",
     "meow": "3.7.0"
