AMBARI-5222. Assigning History Server to non-default host produces alert (aonishuk)

ambari-server/src/main/resources/stacks/HDP/1.3.2/services/NAGIOS/package/scripts/params.py

@@ -159,5 +159,6 @@ hostgroup_defs = {
     'resourcemanager' : _rm_host,
     'nodemanagers' : _nm_hosts,
     'historyserver2' : _hs_host,
+    'jobhistory': _hs_host,
     'journalnodes' : _journalnode_hosts
 }

ambari-server/src/main/resources/stacks/HDP/1.3.2/services/NAGIOS/package/templates/hadoop-services.cfg.j2

@@ -318,7 +318,7 @@ define service {
 }
 
 define service {
-        hostgroup_name          jobtracker
+        hostgroup_name          jobhistory
         use                     hadoop-service
         service_description     JOBTRACKER::HistoryServer Web UI
         servicegroups           MAPREDUCE