Users can select which attractions to see on the map
Checkbox statuses confirmed with each map load and refresh so user selections remain when map reloads.
Save preferences button only available for logged in users
User preferences saved to database, but don't do anything yet
User preferences determine what markers to show and how checkboxes appear on load
Users cannot rate their own checkins
Checkins visually timeout: markers fade in color then stop displaying
Users can select to show old checkins
Added checkbox to show bad ratings. Updates user preferences.
Added functionality to show/hide checkins with bad ratings
Added nonfunctional button to show/hide checkins by poorly rated users
Added show/hide checkins by non-users