Move devstack launch jobs to launch slave.

Also add python-jenkins because I missed it earlier.

Change-Id: I516370da73e50b121849d7c22c5d92166ddf8238
Reviewed-on: https://review.openstack.org/24495
Approved: James E. Blair <corvus@inaugust.com>
Reviewed-by: James E. Blair <corvus@inaugust.com>
Tested-by: Jenkins

modules/openstack_project/files/jenkins_job_builder/config/devstack-gate.yaml

@@ -493,7 +493,7 @@
 - job:
     name: devstack-update-inprogress
     concurrent: false
-    node: master
+    node: devstack-launch
 
     wrappers:
       - timeout:
@@ -516,7 +516,7 @@
 - job:
     name: devstack-update-complete
     concurrent: false
-    node: master
+    node: devstack-launch
 
     wrappers:
       - timeout:
@@ -537,7 +537,7 @@
 - job-template:
     name: devstack-launch-vms-{provider}
     concurrent: false
-    node: master
+    node: devstack-launch
 
     wrappers:
       - timeout:
@@ -561,7 +561,7 @@
 - job-template:
     name: devstack-reap-vms-{provider}
     concurrent: false
-    node: master
+    node: devstack-launch
 
     wrappers:
       - timeout:
@@ -608,7 +608,7 @@
 - job-template:
     name: devstack-update-vm-image-{provider}
     concurrent: false
-    node: master
+    node: devstack-launch
 
     wrappers:
       - timeout:

modules/openstack_project/manifests/devstack_launch_slave.pp

@@ -24,6 +24,7 @@ class openstack_project::devstack_launch_slave (
   }
 
   package { [ 'python-novaclient',
+              'python-jenkins',
               'rackspace-auth-openstack',
               'statsd',
               'paramiko']: