select MAC Address display format on Node and Device Port search

Netdisco/share/views/sidebar/search/node.tt

@@ -38,4 +38,12 @@
                 <span class="nd_searchcheckbox uneditable-input">Partial Name</span>
               </label>
             </div>
+            <div class="clearfix">
+              <em>MAC address format:</em><br/>
+              <select id="nd_node_mac_format" name="mac_format">
+                [% FOREACH format IN [ 'IEEE', 'Cisco', 'Microsoft', 'Sun' ] %]
+                <option[% ' selected="selected"' IF params.mac_format == format %]>[% format %]</option>
+                [% END %]
+              </select>
+            </div>
             <button id="[% tab.id %]_submit" type="submit" class="btn btn-info">Search Again</button>