created icon with tooltip in changeset view
{% if change.value %}<u>{% else %}<em>{% endif %}{{ change.title }}{% if change.value %}</u>:{% else %}</em>{% endif %}
{{ change.value }}
</td>
+ <td class="text-muted"><i class="glyphicon glyphicon-time" data-toggle="tooltip" data-placement="left" title="{{ change.created }}"></i></td>
</tr>
{% endfor %}
</tbody>
