updates from production: fix user.time_zone, precompile assets

app/views/users/show.html.erb

@@ -16,7 +16,7 @@
       </tr>
       <tr>
         <td><%= t(:time_zone) %></td>
-        <td><%= @user.time_zone %></td>
+        <td><%= @user.time_zone_or_utc %></td>
       </tr>
       <tr>
         <td><%= t(:api_key) %></td>