Closes #33: Add ability to clone objects (pre-populate form fields)

netbox/templates/dcim/device.html

@@ -1,4 +1,5 @@
 {% extends '_base.html' %}
+{% load buttons %}
 {% load static %}
 {% load helpers %}
 {% load custom_links %}
@@ -57,6 +58,11 @@
                     {% if perms.dcim.add_devicebay %}<li><a href="{% url 'dcim:devicebay_add' pk=device.pk %}">Device Bays</a></li>{% endif %}
                 </ul>
             </div>
+        {% endif %}
+        {% if perms.dcim.add_device %}
+            {% clone_button 'dcim:device_add' device %}
+        {% endif %}
+        {% if perms.dcim.change_device %}
             <a href="{% url 'dcim:device_edit' pk=device.pk %}" class="btn btn-warning">
                 <span class="glyphicon glyphicon-pencil" aria-hidden="true"></span>
                 Edit this device