[maven-release-plugin] prepare release flickr4java-3.0.4

pom.xml

@@ -4,7 +4,7 @@
 
     <groupId>com.flickr4java</groupId>
     <artifactId>flickr4java</artifactId>
-    <version>3.0.4-SNAPSHOT</version>
+    <version>3.0.4</version>
     <packaging>jar</packaging>
     <name>flickr4java</name>
     <description>Java API For Flickr. Fork of FlickrJ.</description>
@@ -152,7 +152,7 @@
         <connection>scm:git:https://github.com/boncey/Flickr4Java.git</connection>
         <developerConnection>scm:git:[email protected]:boncey/Flickr4Java.git</developerConnection>
         <url>https://github.com/boncey/Flickr4Java</url>
-        <tag>HEAD</tag>
+        <tag>flickr4java-3.0.4</tag>
     </scm>
     <distributionManagement>
         <repository>