Merge branch 'feature' into develop

Author: JamesZBL

README.md

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 # Java 实现的面向对象软件设计模式
 
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 [![License MIT](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/JamesZBL/java_design_patterns/blob/master/LICENSE)
 [![Build status](https://travis-ci.org/JamesZBL/java_design_patterns.svg?branch=master)](https://travis-ci.org/JamesZBL/java_design_patterns)