* Adding base styles for collapsed nav menu.
* Handling varying behaviour on mobile-sized screens, with the menu overlaying content instead of shrinking the content area.
* Folding the menu by default on screen sizes less than 960px, and if that condition is met after an orientation change
* Refactoring logic from Header/index.js to flag if user has scrolled to apply shadow to folded navigation as well.
* Refactoring styles in navigation feature to allow them to be loaded properly with webpack (with imports/etc).
* is_feature_enabled
* feature class
* copy/paste
* hooked up
* its alive
* add wc-admin items
* clean up entry point
* Analytics remove url
* rebase error
* add back in check is_feature_enabled
* specificity CSS
Joel Thiessen
Joshua T Flowers
Paul Sealock