Release app version 5.2.1

Change-Id: Ieb9ff5d3613ea8f03997f01217dddcab771ce7e2
diff --git a/impl/pom.xml b/impl/pom.xml
index ad78255..e9645d3 100644
--- a/impl/pom.xml
+++ b/impl/pom.xml
@@ -20,12 +20,12 @@
     <parent>
         <artifactId>olt</artifactId>
         <groupId>org.opencord</groupId>
-        <version>5.2.0-SNAPSHOT</version>
+        <version>5.2.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>olt-impl</artifactId>
-    <version>5.2.0-SNAPSHOT</version>
+    <version>5.2.1</version>
     <packaging>bundle</packaging>
     <dependencies>
         <dependency>
@@ -108,4 +108,4 @@
             </plugin>
         </plugins>
     </build>
-</project>
\ No newline at end of file
+</project>