Merge pull request #4075 from plotly/dev-deps-07-2019

dev deps 07-2019 edition

Author: etpinard

.eslintrc

@@ -71,6 +71,7 @@
     "no-console": [0],
     "no-unused-labels": [2],
     "no-useless-escape": [0],
-    "func-name-matching": ["error", "always"]
+    "func-name-matching": ["error", "always"],
+    "no-prototype-builtins": [0]
   }
 }