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

Author: uhafner

pom.xml

@@ -11,7 +11,7 @@
   <artifactId>pmd</artifactId>
   <packaging>hpi</packaging>
   <name>PMD Plug-in</name>
-  <version>4.0.0</version>
+  <version>4.0.1-SNAPSHOT</version>
   <url>http://wiki.jenkins-ci.org/x/GAAHAQ</url>
   <description>This plug-in generates the trend report for PMD, an
     open source static code analysis program.
@@ -78,7 +78,7 @@
     <connection>scm:git:git://github.com/jenkinsci/${project.artifactId}-plugin.git</connection>
     <developerConnection>scm:git:git@github.com:jenkinsci/${project.artifactId}-plugin.git</developerConnection>
     <url>https://github.com/jenkinsci/${project.artifactId}-plugin</url>
-    <tag>pmd-4.0.0</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <repositories>