[maven-release-plugin] prepare release 0.4.9

Author: davidmoten

pom.xml

@@ -10,7 +10,7 @@
 	</parent>
 
 	<artifactId>rxjava-extras</artifactId>
-	<version>0.4.9-SNAPSHOT</version>
+	<version>0.4.9</version>
 
 	<name>${project.artifactId}</name>
 	<description>RxJava utilities</description>
@@ -76,6 +76,7 @@
 		<connection>scm:git:https://github.com/davidmoten/rxjava-extras.git</connection>
 		<developerConnection>scm:git:https://github.com/davidmoten/rxjava-extras.git</developerConnection>
 		<url>scm:git:https://github.com:davidmoten/rxjava-extras.git</url>
+    <tag>0.4.9</tag>
   </scm>
 
 	<dependencies>