Added leaflet map with cartodb layer
maps from cartodb
Merge branch 'wcmc-next' into wcmc-next-new-ui-map

* wcmc-next: (54 commits)
  Correctly render pie chart for user's country stats
  Get user's visit counts grouped by country
  Get user's visits by organization
  Move organization ORDER BY so that it actually works
  Better test names
  Better name
  Use existing visit_count terminology
  Refactor no_urls for users, and create get all visits for users
  Render short url show page with correct data
  Improve readability of code
  Latest schema version
  Move page title handling in to helper so views can select their own title
  Separate user and guest dashboards in to different controllers
  Remove unneeded bar charting library
  Render sign up and sign in as popovers
  Render auth without a layout for modal inclusion
  Backbone add link view renders copy paste page
  Remove bot prevention (login now required)
  Use backbone views for rendering new link
  Remove retired views
  ...

Conflicts:
	app/assets/javascripts/application.js
	app/assets/javascripts/short_urls/short_urls.js.coffee
	app/assets/stylesheets/application.css
	app/views/short_urls/index.html.erb
Render map correctly according to designs
Separate CSS into basic files, as most styles are now shared on every
page
Fix header styling