/bans: add Banner, Banned at columns.

app/views/bans/index.html.erb

@@ -6,6 +6,8 @@
       <thead>
         <tr>
           <th>User</th>
+          <th>Banner</th>
+          <th>Banned</th>
           <th>Expires</th>
           <th>Reason</th>
           <th></th>
@@ -15,6 +17,8 @@
         <% @bans.each do |ban| %>
           <tr id="ban-<%= ban.id %>" data-expired="<%= ban.expired? %>">
             <td><%= link_to_user(ban.user) %></td>
+            <td><%= link_to_user(ban.banner) %></td>
+            <td><%= time_ago_in_words_tagged(ban.created_at) %></td>
             <td><%= ban.expires_at %></td>
             <td class="col-expand"><%= format_text ban.reason, :ragel => true %></td>
             <td>