Openapi Schema improvements

- Return proper booleans in api responses
- Update jsonschemavalidation to latest draft

backend/models/dead_host.js

@@ -2,6 +2,7 @@
 // http://vincit.github.io/objection.js/
 
 const db          = require('../db');
+const helpers     = require('../lib/helpers');
 const Model       = require('objection').Model;
 const User        = require('./user');
 const Certificate = require('./certificate');
@@ -9,6 +10,11 @@ const now         = require('./now_helper');
 
 Model.knex(db);
 
+const boolFields = [
+	'is_deleted',
+	'enabled',
+];
+
 class DeadHost extends Model {
 	$beforeInsert () {
 		this.created_on  = now();
@@ -36,6 +42,16 @@ class DeadHost extends Model {
 		}
 	}
 
+	$parseDatabaseJson(json) {
+		json = super.$parseDatabaseJson(json);
+		return helpers.convertIntFieldsToBool(json, boolFields);
+	}
+
+	$formatDatabaseJson(json) {
+		json = helpers.convertBoolFieldsToInt(json, boolFields);
+		return super.$formatDatabaseJson(json);
+	}
+
 	static get name () {
 		return 'DeadHost';
 	}