* Prevent choosing a date before site was added in datepicker
Fixes#446
* change date navigation arrows to real buttons and disable them when date is invalid for site
* simplify. ditch LinkButton and just use button. make lint a little happier
* put back dark mode for date nav buttons
* enforce line length limit
* fix a11y lint errors
* correct event/e
* Load dashboard with react
* Rename stast2 to dashboard
* Save timeframe on the frontend
* Implement current visitors
* Implement comparisons
* React to route changes
* Add modals
* Show number of visitors on hover
* Show 'Today' for today
* Add 30 days
* Show referrer drilldown
* Arrow keys to go back and forward
* Improve comparisons UI
* Fix dropdown when clicking on it
* Verify API access in a memoized fashion
* Test API access
* Test stats through controller
* Move map formatting from stats controller to stats
* Remove unused code
* Remove dead code from query
* Remove dead code from stats templates
* Add stats view test back in
* Render modal inside the modal component
* Implement google search terms
* Add explanation for screen sizes
* Separate dashboard JS from the app js