* Create migrate-colors-primer-18.js
* Update colors round 1
* upgrade primer packages
* Update index.scss
* Replace auto colors
* remove btn-primary-matte
* Turns out the class names and variables names DONT LINE UP... ugh....
* Check for allowed var colors
* refactor sidebar, scope css, wire up nav events to link component, update tests
* remove link onClick analytics event
* fix: missing key on breadcrumbs