refactor javascript to static file to reduce templating

Netdisco/views/js/common.js

@@ -0,0 +1,11 @@
+  $(document).ready(function() {
+    // search hook for each tab
+    [% FOREACH tab IN vars.tabs %]
+    $('[% "#${tab.id}_form" %]').submit(function(event){ do_search(event, '[% tab.id %]'); });
+    [% END %]
+
+    // on page load, load the content for the active tab
+    [% IF params.tab %]
+    $('#[% params.tab %]_form').trigger("submit");
+    [% END %]
+  });