"fetch with promise"
Revert "leaflet loaded"

This reverts commit c5fce055a90d878fabb9ea8a5c9ba88d5abfa8ec.

Conflicts:
	app/assets/javascripts/backbone/apps/main/map/map_controller.js.coffee
	app/assets/javascripts/backbone/apps/main/map/map_view.js.coffee
	app/assets/javascripts/backbone/entities/fstation_areas.js.coffee