Release app version 1.3.1 with API version 1.3.1

Change-Id: I651c2f37c2ecf650babf8bc7736220be5a465bb5
diff --git a/pom.xml b/pom.xml
index afa6d63..22352e0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@
 
     <groupId>org.opencord</groupId>
     <artifactId>olttopology</artifactId>
-    <version>1.3.1-SNAPSHOT</version>
+    <version>1.3.1</version>
     <packaging>pom</packaging>
 
     <properties>