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

Author: Olivier Favre

pom.xml

@@ -10,15 +10,15 @@
 
     <groupId>com.yakaz.elasticsearch.plugins</groupId>
     <artifactId>elasticsearch-action-updatebyquery</artifactId>
-    <version>1.2.0</version>
+    <version>1.2.1-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <url>http://github.com/yakaz/elasticsearch-action-updatebyquery</url>
     <scm>
         <connection>scm:git:[email protected]:yakaz/elasticsearch-action-updatebyquery.git</connection>
         <developerConnection>scm:git:[email protected]:yakaz/elasticsearch-action-updatebyquery.git</developerConnection>
         <url>https://github.com/yakaz/elasticsearch-action-updatebyquery.git</url>
-      <tag>v1.2.0</tag>
+      <tag>HEAD</tag>
   </scm>
 
     <licenses>