Use released Frankfurt M4 parent poms

Update to use released Frankfurt M4 version of parent poms.

Change-Id: I6defeb51d195755b99669c1785df3ec0815afe89
Issue-ID: SDNC-1110
Signed-off-by: Dan Timoney <dtimoney@att.com>
diff --git a/vnftools/pom.xml b/vnftools/pom.xml
index f28f89e..2835a4c 100644
--- a/vnftools/pom.xml
+++ b/vnftools/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.onap.ccsdk.parent</groupId>
 		<artifactId>odlparent-lite</artifactId>
-		<version>1.5.2-SNAPSHOT</version>
+		<version>1.5.2</version>
 	</parent>
 
 	<groupId>org.onap.sdnc.northbound</groupId>