Prepare release org.glassfish.concurro:concurro:3.1.0

Author: glassfish-bot

pom.xml

@@ -29,7 +29,7 @@
 
     <groupId>org.glassfish.concurro</groupId>
     <artifactId>concurro</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <packaging>jar</packaging>
 
     <name>Eclipse Concurro</name>