make tabs fully parameterised

Netdisco/views/inc/search/device.tt

@@ -0,0 +1,12 @@
+        <div id="device_search" class="tab-pane [% 'active' IF params.tab == 'device' %]">
+          <form id="device_form" class="nd_sidesearchform form-stacked" method="get" action="/search">
+            <div class="clearfix">
+              <input class="span3" name="q" value="[% params.q %]" type="text"/>
+            </div>
+            <p><em>Device Search Options</em></p>
+            <input name="tab" value="device" type="hidden"/>
+            <div class="clearfix">
+              <button id="device_submit" type="submit" class="btn info">Search Again</button>
+            </div>
+          </form>
+        </div> <!-- /tab-pane -->