Use new docker registry for OMEC CI

Change-Id: I4eaa5b270357d6c1a8deb5bbd79ce11cb9facb4f
diff --git a/jjb/omec-ci.yaml b/jjb/omec-ci.yaml
index c0dad32..fa11cda 100644
--- a/jjb/omec-ci.yaml
+++ b/jjb/omec-ci.yaml
@@ -688,7 +688,7 @@
 
       - string:
           name: registry
-          default: 'registry.central.aetherproject.net'
+          default: 'registry.aetherproject.org/omecproject'
           description: 'Docker registry that stores images built for CI testing'
 
       - string: