[maven-release-plugin] prepare release jnats-0.4.0

pom.xml

@@ -13,7 +13,7 @@
 
 	<groupId>io.nats</groupId>
 	<artifactId>jnats</artifactId>
-	<version>0.4.0-SNAPSHOT</version>
+	<version>0.4.0</version>
 
 	<name>jnats</name>
 	<description>Java client library for NATS Messaging System</description>
@@ -69,7 +69,7 @@
 		<url>https://github.com/nats-io/jnats</url>
 		<connection>scm:git:git://github.com/nats-io/jnats.git</connection>
 		<developerConnection>scm:git:[email protected]:nats-io/jnats.git</developerConnection>
-        <tag>HEAD</tag>
+        <tag>jnats-0.4.0</tag>
 	</scm>
 
 	<issueManagement>