Merge remote-tracking branch 'origin/greenkeeper-uglify-js-2.6.2' into allow-prevent-closing-of-tooltips

Author: mike-engel

package.json

@@ -38,7 +38,7 @@
     "mocha": "^2.1.0",
     "mocha-phantomjs": "^4.0.2",
     "standard": "^6.0.7",
-    "uglify-js": "^2.4.16"
+    "uglify-js": "^2.6.2"
   },
   "standard": {
     "global": [