Release version 4.0.0

Change-Id: Id9244d8f83fdbdf3b1d8a6173aebf7c41633f782
diff --git a/api/pom.xml b/api/pom.xml
index 56287a7..457cec6 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>olt</artifactId>
         <groupId>org.opencord</groupId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/app/pom.xml b/app/pom.xml
index e8b9da6..8cd063f 100644
--- a/app/pom.xml
+++ b/app/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.opencord</groupId>
         <artifactId>olt</artifactId>
-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/pom.xml b/pom.xml
index 02ab032..e5234b4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@
 
     <groupId>org.opencord</groupId>
     <artifactId>olt</artifactId>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0</version>
     <packaging>pom</packaging>
 
     <properties>