Merge branch 'master' of github.com:shelbys/loopback-explorer

* 'master' of github.com:shelbys/loopback-explorer:
  added reference to settings for additional properties

lib/model-helper.js

@@ -105,7 +105,8 @@ var modelHelper = module.exports = {
     out[name] = {
       id: name,
       properties: properties,
-      required: required
+      required: required,
+      additionalProperties: def.settings.additionalProperties
     };
 
     // Generate model definitions for related models