Merge pull request #51 from js-joda/greenkeeper/js-joda-1.9.1

chore(package): update js-joda to version 1.9.1

Author: pithu

package.json

@@ -55,7 +55,7 @@
     "esdoc-standard-plugin": "^1.0.0",
     "eslint": "^4.19.1",
     "eslint-config-js-joda": "^1.0.0",
-    "js-joda": "^1.8.2",
+    "js-joda": "^1.9.1",
     "json-loader": "^0.5.7",
     "karma": "^2.0.2",
     "karma-chai-plugins": "^0.9.0",