alias the queryinterface on hasmany double linked for brevity

lib/associations/has-many-double-linked.js

@@ -4,6 +4,9 @@ module.exports = (function() {
   var HasManyDoubleLinked = function(definition, instance) {
     this.__factory = definition
     this.instance = instance
+
+    // Alias the quoting methods for code brevity
+    this.QueryInterface = instance.QueryInterface
   }
 
   HasManyDoubleLinked.prototype.injectGetter = function(options) {
@@ -35,22 +38,22 @@ module.exports = (function() {
 
         if (!options.attributes) {
           options.attributes = [
-            self.__factory.target.QueryInterface.quoteIdentifier(self.__factory.target.tableName)+".*"
+            self.QueryInterface.quoteIdentifier(self.__factory.target.tableName)+".*"
           ]
         }
 
         if (options.joinTableAttributes) {
           options.joinTableAttributes.forEach(function (elem) {
             options.attributes.push(
-              self.__factory.target.QueryInterface.quoteIdentifiers(self.__factory.connectorDAO.tableName + '.' + elem) + ' as ' + 
-              self.__factory.target.QueryInterface.quoteIdentifier(self.__factory.connectorDAO.name + '.' + elem)
+              self.QueryInterface.quoteIdentifiers(self.__factory.connectorDAO.tableName + '.' + elem) + ' as ' + 
+              self.QueryInterface.quoteIdentifier(self.__factory.connectorDAO.name + '.' + elem)
             )
           })
         } else {
           Utils._.forOwn(self.__factory.connectorDAO.rawAttributes, function (elem, key) {
               options.attributes.push(
-                self.__factory.target.QueryInterface.quoteIdentifiers(self.__factory.connectorDAO.tableName + '.' + key) + ' as ' + 
-                self.__factory.target.QueryInterface.quoteIdentifier(self.__factory.connectorDAO.name + '.' + key)
+                self.QueryInterface.quoteIdentifiers(self.__factory.connectorDAO.tableName + '.' + key) + ' as ' + 
+                self.QueryInterface.quoteIdentifier(self.__factory.connectorDAO.name + '.' + key)
               )
           })
         }