AMBARI-2773. Allow admin to edit password for nagios admin user (post-install). (yusaku)

ambari-web/app/data/HDP2/config_properties.js

@@ -1741,7 +1741,7 @@ module.exports =
       "displayName": "Nagios Admin password",
       "description": "Nagios Web UI Admin password",
       "defaultValue": "",
-      "isReconfigurable": false,
+      "isReconfigurable": true,
       "displayType": "password",
       "isOverridable": false,
       "isVisible": true,

ambari-web/app/data/config_properties.js

@@ -2000,7 +2000,7 @@ module.exports =
       "displayName": "Nagios Admin password",
       "description": "Nagios Web UI Admin password",
       "defaultValue": "",
-      "isReconfigurable": false,
+      "isReconfigurable": true,
       "displayType": "password",
       "isOverridable": false,
       "isVisible": true,