chore(package): update babel-register to version 6.18.0 (#207)

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -39,7 +39,7 @@
     "@types/diff": "0.0.31",
     "babel-core": "6.18.0",
     "babel-preset-es2015": "6.16.0",
-    "babel-register": "6.16.3",
+    "babel-register": "6.18.0",
     "chai": "3.5.0",
     "chalk": "1.1.3",
     "chokidar-cli": "1.2.0",