VOL-517 - depend on standard libvirt image and parameterize Jenkins a bit.

Change-Id: Ia2212012e112726dc30381e18f96b6b3daad9f25
diff --git a/Jenkinsfile b/Jenkinsfile
index 2ef8476..05f7bb6 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,4 +1,7 @@
 node('build') {
+    stage 'Cleanup workspace'
+    sh 'rm -rf ./build ./component ./incubator ./onos-apps ./orchestration ./test ./.repo'
+
     stage 'Checkout cord repo'
     checkout([$class: 'RepoScm', currentBranch: true, manifestRepositoryUrl: 'https://gerrit.opencord.org/manifest', quiet: true])