Destination types with no locations are N/A (#867)

[lydiascarf]

Overview

In the places detail and compare pages, there has been no way to differentiate between destination types without instances in the given place and destination types with instances that are inaccessible by low stress routes. The former are now marked N/A; the latter are marked 0.

Demo

Testing Instructions

• ./scripts/setup
• vagrant ssh
• ./scripts/server
• if you don't have any places yet when you go to all places
  • go to http://localhost:9301/admin#/admin/analysis-jobs/create/batch/
  • give it a shapefile (feel free to slack me for one)
  • go to http://localhost:9301/admin#/places//// and select a place
  • for any metric that shows N/A, the associated geojson in your s3 bucket should have 0 features
  • for any metric that shows 0, the associated geojson in your s3 bucket should have 1+ features
  • the above two bullets should also be true if you go to http://localhost:9301/admin#/places//// then compare two places

Checklist

• [x] Add entry to CHANGELOG.md

Resolves #867