Set version to 3.1.1

Change-Id: I5f705a9cf172143c38b36deadf28ab44383de38b

pom.xml

diff --git a/pom.xml b/pom.xml
index d7bbfde..35733e1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>com.gerritforge</groupId>
     <artifactId>global-refdb</artifactId>
-    <version>3.1.0-rc1</version>
+    <version>3.1.1</version>
     <packaging>jar</packaging>
 
     <name>global-refdb</name>