[ci skip]prepare for next development iteration

pom.xml

@@ -11,7 +11,7 @@
     <packaging>ejb</packaging>
     <url>http://gazelle.ihe.net</url>
     <name>gazelle-tm-tools</name>
-    <version>4.1.5</version>
+    <version>4.1.6-SNAPSHOT</version>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -34,7 +34,7 @@
         <connection>scm:git:${git.project.url}</connection>
         <url>scm:git:${git.project.url}</url>
         <developerConnection>scm:git:${git.project.url}</developerConnection>
-        <tag>4.1.5</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <ciManagement>