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

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1063744 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/http/samples/whiteboard/pom.xml b/http/samples/whiteboard/pom.xml
index 5acd4f8..e57074c 100644
--- a/http/samples/whiteboard/pom.xml
+++ b/http/samples/whiteboard/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.felix</groupId>
         <artifactId>org.apache.felix.http</artifactId>
-        <version>2.2.0</version>
+        <version>2.2.1-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>