* Refactor alerts
* Remove J40Alert and classes
* Make AlertWrapper the primary component.
* Props to show one or both alerts
* Unit tests to verify one or both works correctly
* Update pages to use AlertWrapper
* Remove unused J40Aside.
* Remove dead code from index
* update areaDetail with data from d3 CDN
- updated constants with d3 CDN info
- placed AreaDetail component in folder
- fixed J40Alert padding-left console warning
- added tests for both J40Alert rendering
* udpates FE to percentile data
* testing CORS on PR'd URL
* testing PR'd URL