Update mass edit

Refactored delete User function
Updated testresults

cps/static/js/main.js

@@ -229,10 +229,12 @@ $("#delete_confirm").click(function(event) {
         postButton(event, getPath() + "/delete/" + deleteId + "/" + bookFormat);
     } else {
         if (ajaxResponse) {
-            path = getPath() + "/ajax/delete/" + deleteId;
             $.ajax({
-                method:"post",
-                url: path,
+                url: getPath() + "/ajax/deletebook",
+                method: "post",
+                contentType: "application/json; charset=utf-8",
+                dataType: "json",
+                data: JSON.stringify({"bookid": [deleteId]}),
                 timeout: 900,
                 success:function(data) {
                     data.forEach(function(item) {