Using -Prelease in maven-target

Change-Id: I417c69bb299a05c16d33d313f3f50161688ee5cd
diff --git a/jjb/maven.yaml b/jjb/maven.yaml
index e9f95cb..06ad8ee 100644
--- a/jjb/maven.yaml
+++ b/jjb/maven.yaml
@@ -124,4 +124,4 @@
           pom: pom.xml
           settings: 'cord-apps-maven-settings'
           settings-type: cfp
-          goals: 'clean deploy'
+          goals: '-Prelease clean deploy'