[maven-release-plugin] prepare release mybatis-spring-1.3.1

pom.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-       Copyright 2010-2016 the original author or authors.
+       Copyright 2010-2017 the original author or authors.
 
        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.
@@ -27,7 +27,7 @@
   </parent>
 
   <artifactId>mybatis-spring</artifactId>
-  <version>1.3.1-SNAPSHOT</version>
+  <version>1.3.1</version>
   <packaging>jar</packaging>
 
   <name>mybatis-spring</name>
@@ -81,7 +81,7 @@
     <url>http://github.com/mybatis/spring</url>
     <connection>scm:git:ssh://github.com/mybatis/spring.git</connection>
     <developerConnection>scm:git:ssh://[email protected]/mybatis/spring.git</developerConnection>
-    <tag>HEAD</tag>
+    <tag>mybatis-spring-1.3.1</tag>
   </scm>
   <issueManagement>
     <system>GitHub Issue Management</system>