[maven-release-plugin] prepare release 2.1.0

pom.xml

@@ -1,16 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<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/maven-v4_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/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>de.cuioss</groupId>
         <artifactId>cui-java-parent</artifactId>
         <version>0.7.0</version>
-        <relativePath/>
+        <relativePath />
     </parent>
     <artifactId>cui-core-ui-model</artifactId>
     <name>cui core UI-Model</name>
-    <version>2.0-SNAPSHOT</version>
+    <version>2.1.0</version>
     <description>Defines types and structures simplifying the integration of
         server-side ui.
     </description>
@@ -22,7 +21,7 @@
         <developerConnection>
             scm:git:https://github.com/cuioss/cui-core-ui-model/
         </developerConnection>
-        <tag>HEAD</tag>
+        <tag>2.1.0</tag>
     </scm>
     <issueManagement>
         <url>https://github.com/cuioss/cui-core-ui-model/issues</url>