Merge ~mwhudson/qa-jenkins-jobs/+git/qa-jenkins-jobs:no-archive-images into qa-jenkins-jobs:master

[Michael Hudson-Doyle]

Hopefully this will stop us running the master out of disk instantly.

diff --git a/jobs/iso-testing/jobs-live-server.yaml b/jobs/iso-testing/jobs-live-server.yaml
index 75070f4..3b7c05e 100644
--- a/jobs/iso-testing/jobs-live-server.yaml
+++ b/jobs/iso-testing/jobs-live-server.yaml
@@ -164,7 +164,10 @@
             arch: 'amd64'
             flavor: 'ubuntu-server'
     publishers:
-        - archive-artifacts
+        - archive:
+            artifacts: '**/*'
+            allow-empty: 'true'
+            excludes: 'images/**'
         - trigger-mark-pending-current
         - mark-junit
         - email: