Develop for 20181227

[dongchenxu]

提交概要

1. 废弃：Event对象池
2. 优化：OpenJDK下JIT会让JVM crash的bug OpenJDK8下出现Crash #130
3. 解决：卸载sandbox会导致内存泄露的bug 执行ControlModule的shutdown操作后，应用里的sandbox内存对象没有全部清除 #108
4. 解决：卸载sandbox会引发空指针的问题 Sandbox shutdown报 Caused by: java.lang.ClassCastException: null #125
5. 解决：SpringBoot的ClassLoader机制会导致LinkageError的问题 拦截okhttp.RealCall的execute方法报java.lang.LinkageError异常 #133
6. 其他：解决其他问题 Syp.SelfCallBarrier.isEnter数组越界，thread.hashCode()的值为负数 #126 代码review，返回0.0.0.0:0 #121 【V1.1.0】sandbox.properties中server.ip与server.port设置后不生效 #118 在AdviceAdapterListener 中的 before 阶段直接使用 returnImmediately 方法修改返回值导致内存溢出 #117

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2 out of 3 committers have signed the CLA.

✅ li-fujian
✅ dongchenxu
❌ luanjia

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