run salt before heka to make sure all pkgs are installed

Change-Id: Ib56ee5bba756758b918b03cd8203004de5d20879
diff --git a/lab-pipeline.groovy b/lab-pipeline.groovy
index 6f0717d..6becd87 100644
--- a/lab-pipeline.groovy
+++ b/lab-pipeline.groovy
@@ -457,6 +457,7 @@
                     // Install collectd, heka and sensu services on the nodes, this will also
                     // generate the metadata that goes into the grains and eventually into Salt Mine
                     salt.enforceState(saltMaster, '*', 'collectd', true)
+                    salt.enforceState(saltMaster, '*', 'salt.minion', true)
                     salt.enforceState(saltMaster, '*', 'heka', true)
 
                     // Gather the Grafana metadata as grains