Add AnnotationConfigApplicationContext constructor

Add AnnotationConfigApplicationContext constructor allow use of a
custom DefaultListableBeanFactory.

Issue: SPR-10529

spring-context/src/main/java/org/springframework/context/annotation/AnnotationConfigApplicationContext.java

 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2013 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,6 +17,7 @@
 package org.springframework.context.annotation;
 
 import org.springframework.beans.factory.support.BeanNameGenerator;
+import org.springframework.beans.factory.support.DefaultListableBeanFactory;
 import org.springframework.context.support.GenericApplicationContext;
 import org.springframework.core.env.ConfigurableEnvironment;
 import org.springframework.util.Assert;
@@ -61,6 +62,16 @@ public class AnnotationConfigApplicationContext extends GenericApplicationContex
 		this.scanner = new ClassPathBeanDefinitionScanner(this);
 	}
 
+	/**
+	 * Create a new AnnotationConfigApplicationContext with the given DefaultListableBeanFactory.
+	 * @param beanFactory the DefaultListableBeanFactory instance to use for this context
+	 */
+	public AnnotationConfigApplicationContext(DefaultListableBeanFactory beanFactory) {
+		super(beanFactory);
+		this.reader = new AnnotatedBeanDefinitionReader(this);
+		this.scanner = new ClassPathBeanDefinitionScanner(this);
+	}
+
 	/**
 	 * Create a new AnnotationConfigApplicationContext, deriving bean definitions
 	 * from the given annotated classes and automatically refreshing the context.