Added functionality for default datasets.

Incorporated dataset selector into test creation.

ref-test/admin/templates/admin/settings/users.html

@@ -21,7 +21,7 @@
         </thead>
         <tbody>
             {% for user in users %}
-                <tr class="user-table-row">
+                <tr class="table-row">
                     <td>
                         {% if user._id == get_id_from_cookie() %}
                             <div class="text-success" title="Current User">
@@ -37,7 +37,7 @@
                     <td>
                         {{ user.email }}
                     </td>
-                    <td class="user-row-actions">
+                    <td class="row-actions">
                         <a
                             href="
                             {% if not user._id == get_id_from_cookie() %}