[maven-release-plugin] prepare release 300

Author: martint

Diff for: pom.xml

@@ -9,15 +9,15 @@
     </parent>
 
     <artifactId>launcher</artifactId>
-    <version>300-SNAPSHOT</version>
+    <version>300</version>
     <packaging>pom</packaging>
     <name>launcher</name>
     <description>Launcher for Airlift-based Java applications</description>
 
     <scm>
         <connection>scm:git:git://github.com/airlift/launcher.git</connection>
         <developerConnection>scm:git:[email protected]:airlift/launcher.git</developerConnection>
-        <tag>HEAD</tag>
+        <tag>300</tag>
         <url>https://github.com/airlift/launcher</url>
     </scm>