Release app version 5.1.1 with API version 5.1.0

Change-Id: Ied06c9e16dac41caf7b58adb5c3e5f882a4eb4dc
diff --git a/api/pom.xml b/api/pom.xml
index 6d447c1..fbbf669 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>olt</artifactId>
         <groupId>org.opencord</groupId>
-        <version>5.1.0</version>
+        <version>5.1.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>