json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "description": "List of people for Timezone GNOME Shell Extension",
      "title": "People",
      "type": "array",
      "format": "table",
      "items": {
          "type": "object",
          "title": "Person",
          "required": [
              "tz"
          ],
          "properties": {
              "name": {
                  "type": "string",
                  "description": "Person's name"
              },
              "avatar": {
                  "type": "string",
                  "description": "URL for the person's avatar"
              },
              "city": {
                  "type": "string",
                  "description": "Person's location (city, country...)"
              },
              "tz": {
                  "type": "string",
                  "description": "Person's timezone. Required. TZ List: http://bit.ly/1BKGEkq"
              },
              "gravatar": {
                  "type": "string",
                  "description": "Gravatar ID (person's email)"
              },
              "github": {
                  "type": "string",
                  "description": "GitHub ID"
              }
          }
      }
  }