Update version to next snapshot

Change-Id: I5b61e9ed5aedfc9dcab21996eecd5f80b0bb44e4
diff --git a/pom.xml b/pom.xml
index bd1a9b6..fe68198 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
 
     <groupId>org.opencord</groupId>
     <artifactId>vtn</artifactId>
-    <version>1.3.0</version>
+    <version>1.3.1-SNAPSHOT</version>
     <packaging>bundle</packaging>
 
     <description>Virtual tenant network service for CORD</description>
@@ -51,7 +51,7 @@
             APIs for interacting with the CORD VTN application.
         </api.description>
 	<api.package>org.opencord.cordvtn.rest</api.package>
-        <cord.config.version>1.3.0</cord.config.version>
+        <cord.config.version>1.3.1-SNAPSHOT</cord.config.version>
         <!-- TODO onos-build-conf.version can be dropped when onos.version > 1.10.3 -->
         <onos-build-conf.version>1.10.3-onf</onos-build-conf.version>
     </properties>