operation history fix

Change-Id: I6d743f1a19558b3ad69293d8d055213a351b2796
Signed-off-by: lombardofr <lombardo@everyup.it>
diff --git a/instancehandler/template/instance_list.html b/instancehandler/template/instance_list.html
index 97eac57..4ba6fe0 100644
--- a/instancehandler/template/instance_list.html
+++ b/instancehandler/template/instance_list.html
@@ -164,7 +164,7 @@
                             '         <i class="fa fa-magic"></i> Exec NS Primitive</a></li>' +
                             '     <li>' +
                             '         <a href="/instances/ns/' +row["_id"] +'/operation">' +
-                            '             <i class="fa fa-list"></i> Active operations</a></li>' +
+                            '             <i class="fa fa-list"></i> History of operations</a></li>' +
                             '     <li class="divider"></li>' +
                             '     <li><a href="#"' +
                             '            onclick="javascript:newAlarmNs(\''+ row["short-name"] +'\', \''+row["_id"]+'\')">' +