add csv download option to device addresses

Netdisco/share/views/ajax/device/addresses.tt

@@ -1,3 +1,4 @@
+[% INCLUDE "download_as.tt" %]
 <table class="table table-bordered table-condensed table-striped nd_floatinghead">
   <thead>
     <tr>

Netdisco/share/views/ajax/device/addresses_csv.tt

@@ -0,0 +1,11 @@
+[% USE CSV -%]
+[% CSV.dump([ 'Address' 'DNS' 'Interface' 'Description' 'Prefix' ]) %]
+
+[% WHILE (row = results.next) %]
+  [% mylist = [] %]
+  [% FOREACH col IN [ row.alias row.dns row.port row.device_port.name row.subnet ] %]
+    [% mylist.push(col) %]
+  [% END %]
+  [% CSV.dump(mylist) %]
+
+[% END %]