Used color scale bound to visits number. Removed useless getClassFromNodes function. Centered continents' names. Optimized scaling of world map.
Disabled click on continents' names
Removed forgotten console.log
Optimized zoom on continents. They now use all available space.
Tweaked color
Indentation correction.
Put map in a simple container.
Cleaned up transformations and code.
Removed console logs
Merge pull request #3 from jrbeaudoin/master

UI improvements