AMBARI-6177. Ambari Shell nagios_contact is empty. (Krisztian Horvath via yusaku)

ambari-client/groovy-client/src/main/resources/blueprints/lambda-architecture

@@ -2,7 +2,7 @@
   "configurations": [
     {
       "global": {
-        "nagios_contact": ""
+        "nagios_contact": "me@my-awesome-domain.example"
       }
     }
   ],

ambari-client/groovy-client/src/main/resources/blueprints/multi-node-hdfs-yarn

@@ -2,7 +2,7 @@
   "configurations": [
     {
       "global": {
-        "nagios_contact": ""
+        "nagios_contact": "me@my-awesome-domain.example"
       }
     }
   ],

ambari-client/groovy-client/src/main/resources/blueprints/warmup

@@ -2,7 +2,7 @@
   "configurations": [
     {
       "global": {
-        "nagios_contact": ""
+        "nagios_contact": "me@my-awesome-domain.example"
       }
     }
   ],