Rework the latest-timestamp view and prep for use.

Make local dev easier using the deployed data.
Setup CORS headers for latest-timestamp view for local
and other testing.
Stop youtube player when video modal is dismissed
Merge pull request #51 from sgarrity/video-stop

Stop youtube player when video modal is dismissed
Stats - updated set of countries in dropdown

Added countries that were in json but missing in the dropdown.
Merge pull request #53 from almossawi/master

Stats - updated set of countries in dropdown
Add CDN origin domain to allowed hosts.
Bump minimum share count for countries to 500.
Merge pull request #50 from pmclanahan/update-latest-timestamp-view-for-dev

Rework the latest-timestamp view and prep for use.
Add mixins to build up a transition rule.
Start working on having the interstial and choice modals integrated.
More work on single modal interstitial page.

Clean up transitions. Slow them down for debugging.
Finish up tweaks to transitions.