* Update node
* Add mocha and chai
* Fix npm audit issue
https://nodesecurity.io/advisories/577
* Skip some redundant errors
* Catch duplicate headings
* Update the wording of a few errors
* Detect when headings are wrapped inside another element
* Build and validate the content of each profile section
* Add tests for validation script
* Remove empty sections in existing profiles
* Change "Office Locations" to "Office locations" for consistent casing
* Standardize other company headings
* Validate heading names
* Add a way to look at headings of all profiles at once