Fix bug 1001591 - labels on stats chart 2

When the website is loaded in mobile view, the strings used for the
choices are longer. Those would get picked up by chart 2. Here, we use
the ones from the original key, the one on the map.
Fix bug #999725 - update map keys

Update map keys so that you can return the map to its off state when a
choice option is clicked, as is the case with the region option.
Merge pull request #136 from almossawi/master

Fix bugs 1001591, 999725