[maven-release-plugin] prepare release 1.2.1

pom.xml

-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
 	<modelVersion>4.0.0</modelVersion>
 
 	<name>XChart</name>
 	<groupId>com.xeiam</groupId>
 	<artifactId>xchart</artifactId>
-	<version>1.2.1-SNAPSHOT</version>
+	<version>1.2.1</version>
 	<packaging>jar</packaging>
 	<description>Basic Charts for Java Applications</description>
 	<url>http://xeiam.com/xchart.jsp</url>