encourage config params add operator role permission

src/main/ui/static/activity/encourage/templates/encourage_detail.html

@@ -9,7 +9,7 @@
     </section>
     <section class="content">
         <div class="box box-primary">
-            <div class="box-header">Parameters <a role="button" title="Edit" ng-click="modifyEvent()"><i class="fa fa-edit"></i></a></div>
+            <div class="box-header">Parameters <a role="button" ng-if="('1'|withRole)" title="Edit" ng-click="modifyEvent()"><i class="fa fa-edit"></i></a></div>
             <div class="box-body">
                 <div class="row">
                     <div class="col-xs-4 col-sm-3">From:{{event.parameters.from_date|limitTo:10}}</div>