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

Author: tbroyer

pom.xml

@@ -3,7 +3,7 @@
 
   <groupId>net.ltgt.gwt.maven</groupId>
   <artifactId>gwt-maven-plugin</artifactId>
-  <version>1.1.0</version>
+  <version>HEAD-SNAPSHOT</version>
   <packaging>maven-plugin</packaging>
 
   <name>Maven Plugin for GWT</name>
@@ -29,7 +29,7 @@
     <connection>scm:git:https://github.com/tbroyer/gwt-maven-plugin.git</connection>
     <developerConnection>scm:git:git@github.com:tbroyer/gwt-maven-plugin.git</developerConnection>
     <url>https://github.com/tbroyer/gwt-maven-plugin</url>
-    <tag>1.1.0</tag>
+    <tag>HEAD</tag>
   </scm>
   <issueManagement>
     <system>GitHub</system>