Squashed commit of the following:

commit 808ccb738f8774e465d12dfb04a6d37256545e78
Author: Zen <xinjingziranchan@gmail.com>
Date:   Wed Nov 18 14:18:46 2020 +0800

    Fixed duplicate issues with the Jars directory when packaging Kyuubi

commit 91ca0a0f8a5a260b1ae29a31c323f69d37a14bfe
Author: zen <xinjingziranchan@gmail.com>
Date:   Wed Nov 18 14:01:56 2020 +0800

    fix log print and SparkSQLEngine timeoutChecker concurrent issue.

commit 15343d9cd07b48d3909c1085836687a4cc7f05c3
Author: zen <xinjingziranchan@gmail.com>
Date:   Tue Nov 17 21:21:03 2020 +0800

    消除打印dehug日志时，重复判断是否开启debug模式

commit eecc0bf01144b3f2601e6a821bedf786e5aafb22
Author: zen <xinjingziranchan@gmail.com>
Date:   Tue Nov 17 15:08:13 2020 +0800

    Revert "修复打包时kyuubi依赖jars目录重复，导致启动时找不到org.apache.kyuubi.server.KyuubiServer启动类"

    This reverts commit 29e9dd45

commit 29e9dd45e90b1549b68e96024b1ee866429bf40d
Author: zen <xinjingziranchan@gmail.com>
Date:   Tue Nov 17 14:36:23 2020 +0800

    修复打包时kyuubi依赖jars目录重复，导致启动时找不到org.apache.kyuubi.server.KyuubiServer启动类

commit 44364ecd289ca40181bd150998cce76762b145be
Author: zen <xinjingziranchan@gmail.com>
Date:   Tue Nov 17 13:48:21 2020 +0800

    修复SparkSQLEngine停止时没有关闭timeoutChecker线程池，以及增加timeoutChecker打印日志

commit 63a67e2c487a5418a056ff4f797b46185ed4c17b
Merge: 6028f55 64b83a48
Author: zen <xinjingziranchan@gmail.com>
Date:   Tue Nov 17 13:37:41 2020 +0800

    Merge branch 'yaooqinn-kyuubi-master'

commit 6028f55504cbc3d522bf061fde71608019243d3e
Author: 金晶(000538) <jinjing@fcbox.com>
Date:   Mon Nov 16 16:26:09 2020 +0800

    测试代码SparkOperationSuite格式调整

commit 0b14c69183691e3601aef3a9d56c545edef44499
Author: 金晶(000538) <jinjing@fcbox.com>
Date:   Mon Nov 16 14:49:42 2020 +0800

    1.新增SparkSQLEngine空闲定时检测任务
    2.修复SparkSQLEngine关闭session时未移除SparkSQLOperationManager中缓存的sparkSession

commit 8fdb6b7cec70f32dc05bfeeedcc233d0f6fb4017
Merge: fb4bace6 7bfc4703
Author: zen <xinjingziranchan@gmail.com>
Date:   Mon Nov 16 11:36:35 2020 +0800

    Merge pull request #1 from yaooqinn/master

    同步更新