[maven-release-plugin] prepare release geneticalgorithm-1.2.1

Author: sfuhrm

pom.xml

@@ -3,13 +3,14 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>de.sfuhrm</groupId>
   <artifactId>geneticalgorithm</artifactId>
-  <version>1.2.1-SNAPSHOT</version>
+  <version>1.2.1</version>
   <name>GeneticAlgorithm</name>
   <description>Classes for implementing genetic algorithms</description>
   <url>https://github.com/sfuhrm/geneticalgorithm</url>
   <scm>
     <url>https://github.com/sfuhrm/geneticalgorithm</url>
     <connection>scm:git:https://github.com/sfuhrm/geneticalgorithm.git</connection>
+    <tag>geneticalgorithm-1.2.1</tag>
   </scm>
   <licenses>
     <license>