Jenkins refresh

Change the jenkins node label from 'docker'
to 'stage_2' as part of the Jenkins cleanup

Change-Id: Ifdba6e06053a705baadae674dbfd1faa7be57cfc
Signed-off-by: Mark Beierl <mark.beierl@canonical.com>
diff --git a/Jenkinsfile b/Jenkinsfile
index 56a0830..0dec570 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,4 +1,4 @@
-/* Copyright 2019 ETSI
+/* Copyright ETSI OSM and others
  *
  * All Rights Reserved.
  *
@@ -37,7 +37,7 @@
     }
 }
 
-node('docker') {
+node('stage_2') {
     checkout scm
     devops_checkout()