Better map clasterization and retrieve items from client-side
Popups for points and regualr clusters
Closing all popups on zoomstart, popups titles stubs
Refactoring of map2.js.coffee
map2.js.coffee -> map.js.coffee
Location titles for cluster popups
Gemfile updated
map.js.coffee fixed
Missed colorox images added
small fix for item.rb
Assets pipeline settings changes for production environment
CSS syntax errors fixed in vendor css