[maven-release-plugin] prepare for next development iteration

pom.xml

@@ -2,7 +2,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>net.whydah.identity</groupId>
     <artifactId>UserAdminService</artifactId>
-    <version>2.22.12</version>
+    <version>2.22.13-SNAPSHOT</version>
     <name>UserAdminService</name>
     <url>https://wiki.cantara.no/display/iam/UserAdminService</url>
     <parent>
@@ -27,7 +27,7 @@
         <developerConnection>scm:git:ssh://git@github.com/cantara/Whydah-UserAdminService.git</developerConnection>
         <connection>scm:git:https://github.com/cantara/Whydah-UserAdminService.git</connection>
         <url>https://github.com/cantara/Whydah-UserAdminService</url>    
-        <tag>UserAdminService-2.22.12</tag>
+        <tag>HEAD</tag>
     </scm>
     <developers>
         <developer>