Upgrade lodash to latest.
"font-awesome": "4.7.0",
"intro.js": "^2.3.0",
"json-stable-stringify": "^1.0.1",
- "lodash": "4.17.4",
+ "lodash": "4.17.11",
"moment": "2.19.3",
"ng-showdown": "1.1.0",
"ng-tags-input": "3.2.0",
