upgrade version

doc/XXL-JOB官方文档.md

 - 19、代码优化，ConcurrentHashMap变量类型改为ConcurrentMap，避免因不同版本实现不同导致的兼容性问题；
 
 
-### 6.26 版本 v2.1.1 Release Notes[规划中]
+### 6.26 版本 v2.1.1 Release Notes[回归测试中，即将发布]
 - 1、UI优化，任务列表和日志列表数据表格宽度比例调整，避免数据换行提升体验；
 - 2、登录界面取消默认填写的登录账号密码；
 - 3、执行器表属性调整，"顺序" 属性调整为整型，解决执行器数据较多时无法正确排序的问题；

doc/db/tables_xxl_job.sql

 #
-# XXL-JOB v2.1.1-SNAPSHOT
+# XXL-JOB v2.1.1
 # Copyright (c) 2015-present, xuxueli.
 
 CREATE database if NOT EXISTS `xxl_job` default character set utf8mb4 collate utf8mb4_unicode_ci;

pom.xml

 	<modelVersion>4.0.0</modelVersion>
 	<groupId>com.xuxueli</groupId>
 	<artifactId>xxl-job</artifactId>
-	<version>2.1.1-SNAPSHOT</version>
+	<version>2.1.1</version>
 	<packaging>pom</packaging>
 
 	<name>${project.artifactId}</name>

xxl-job-admin/pom.xml

 	<parent>
 		<groupId>com.xuxueli</groupId>
 		<artifactId>xxl-job</artifactId>
-		<version>2.1.1-SNAPSHOT</version>
+		<version>2.1.1</version>
 	</parent>
 	<artifactId>xxl-job-admin</artifactId>
 	<packaging>jar</packaging>

xxl-job-admin/src/main/resources/i18n/message.properties

 admin_name=任务调度中心
 admin_name_full=分布式任务调度平台XXL-JOB
-admin_version=2.1.1-SNAPSHOT
+admin_version=2.1.1
 admin_i18n=
 
 ## system

xxl-job-admin/src/main/resources/i18n/message_en.properties

 admin_name=Scheduling Center
 admin_name_full=Distributed Task Scheduling Platform XXL-JOB
-admin_version=2.1.1-SNAPSHOT
+admin_version=2.1.1
 admin_i18n=en
 
 ## system

xxl-job-core/pom.xml

 	<parent>
 		<groupId>com.xuxueli</groupId>
 		<artifactId>xxl-job</artifactId>
-		<version>2.1.1-SNAPSHOT</version>
+		<version>2.1.1</version>
 	</parent>
 	<artifactId>xxl-job-core</artifactId>
 	<packaging>jar</packaging>

xxl-job-executor-samples/pom.xml

     <parent>
         <groupId>com.xuxueli</groupId>
         <artifactId>xxl-job</artifactId>
-        <version>2.1.1-SNAPSHOT</version>
+        <version>2.1.1</version>
     </parent>
     <artifactId>xxl-job-executor-samples</artifactId>
     <packaging>pom</packaging>
 
     <modules>
-        <module>xxl-job-executor-sample-spring</module>
+        <module>xxl-job-executor-sample-frameless</module>
         <module>xxl-job-executor-sample-springboot</module>
+        <module>xxl-job-executor-sample-spring</module>
         <module>xxl-job-executor-sample-jfinal</module>
         <module>xxl-job-executor-sample-nutz</module>
-        <module>xxl-job-executor-sample-frameless</module>
 		<module>xxl-job-executor-sample-jboot</module>
     </modules>
 

xxl-job-executor-samples/xxl-job-executor-sample-frameless/pom.xml

     <parent>
         <groupId>com.xuxueli</groupId>
         <artifactId>xxl-job-executor-samples</artifactId>
-        <version>2.1.1-SNAPSHOT</version>
+        <version>2.1.1</version>
     </parent>
     <artifactId>xxl-job-executor-sample-frameless</artifactId>
     <packaging>jar</packaging>

xxl-job-executor-samples/xxl-job-executor-sample-jboot/pom.xml

     <parent>
         <groupId>com.xuxueli</groupId>
         <artifactId>xxl-job-executor-samples</artifactId>
-        <version>2.1.1-SNAPSHOT</version>
+        <version>2.1.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>xxl-job-executor-sample-jboot</artifactId>

xxl-job-executor-samples/xxl-job-executor-sample-jfinal/pom.xml

     <parent>
         <groupId>com.xuxueli</groupId>
         <artifactId>xxl-job-executor-samples</artifactId>
-        <version>2.1.1-SNAPSHOT</version>
+        <version>2.1.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>xxl-job-executor-sample-jfinal</artifactId>

xxl-job-executor-samples/xxl-job-executor-sample-nutz/pom.xml

     <parent>
         <groupId>com.xuxueli</groupId>
         <artifactId>xxl-job-executor-samples</artifactId>
-        <version>2.1.1-SNAPSHOT</version>
+        <version>2.1.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>xxl-job-executor-sample-nutz</artifactId>

xxl-job-executor-samples/xxl-job-executor-sample-spring/pom.xml

 	<parent>
 		<groupId>com.xuxueli</groupId>
 		<artifactId>xxl-job-executor-samples</artifactId>
-		<version>2.1.1-SNAPSHOT</version>
+		<version>2.1.1</version>
 	</parent>
 	<artifactId>xxl-job-executor-sample-spring</artifactId>
 	<packaging>war</packaging>

xxl-job-executor-samples/xxl-job-executor-sample-springboot/pom.xml

     <parent>
         <groupId>com.xuxueli</groupId>
         <artifactId>xxl-job-executor-samples</artifactId>
-        <version>2.1.1-SNAPSHOT</version>
+        <version>2.1.1</version>
     </parent>
     <artifactId>xxl-job-executor-sample-springboot</artifactId>
     <packaging>jar</packaging>