Merge remote-tracking branch 'origin/greenkeeper-es5-shim-4.5.5' into allow-prevent-closing-of-tooltips

Author: mike-engel

package.json

@@ -34,7 +34,7 @@
     "browserify": "^13.0.0",
     "chai": "^3.3.0",
     "derequire": "^2.0.2",
-    "es5-shim": "^4.0.6",
+    "es5-shim": "^4.5.5",
     "mocha": "^2.1.0",
     "mocha-phantomjs": "^4.0.2",
     "standard": "^6.0.7",