Adding back the remoting metadata

lib/relation-definition.js

@@ -520,12 +520,30 @@ RelationDefinition.belongsTo = function (modelFrom, modelTo, params) {
     configurable: true,
     get: function() {
       var relation = new BelongsTo(relationDef, this);
-      var relationMethod = relation.related.bind(relation)
+      var relationMethod = relation.related.bind(relation);
       relationMethod.create = relation.create.bind(relation);
       relationMethod.build = relation.build.bind(relation);
+      relationMethod._targetClass = relationDef.modelTo.modelName;
       return relationMethod;
     }
   });
+
+  // Wrap the property into a function for remoting
+  // so that it can be accessed as /api/<model>/<id>/<belongsToRelationName>
+  // For example, /api/orders/1/customer
+  var fn = function() {
+    var f = this[relationName];
+    f.apply(this, arguments);
+  };
+
+  fn.shared = true;
+  fn.http = {verb: 'get', path: '/' + relationName};
+  fn.accepts = {arg: 'refresh', type: 'boolean', http: {source: 'query'}};
+  fn.description = 'Fetches belongsTo relation ' + relationName;
+  fn.returns = {arg: relationName, type: 'object', root: true};
+
+  modelFrom.prototype['__get__' + relationName] = fn;
+
 };
 
 BelongsTo.prototype.create = function(targetModelData, cb) {