chore(package): update license-checker to version 9.0.3

Closes #9

https://greenkeeper.io/

Author: greenkeeper[bot]

package.json

@@ -66,7 +66,7 @@
     "dependency-check": "2.8.0",
     "deps-ok": "1.2.0",
     "git-issues": "1.3.1",
-    "license-checker": "8.0.4",
+    "license-checker": "9.0.3",
     "mocha": "3.2.0",
     "nsp": "2.6.3",
     "pre-git": "3.14.0",