arthas-all-3.1.3

Issues: https://github.com/alibaba/arthas/milestone/7?closed=1

#851 fix jad command do not work under JDK 6/7
#855 alert error message when webconsole connect error
#857 Upgrade cfr to 0.146

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Issues: https://github.com/alibaba/arthas/milestone/7?closed=1

#851 修复jad命令在 JDK 6/7下不工作的问题
#855 在webconsole上连接出错时，弹出提示框
#857 升级 cfr 到 0.146