using CP functionality to get list of possible assignees

this list is also sorted

app/views/rb_taskboards/show.html.erb

@@ -100,7 +100,7 @@
   <div id="helpers">
     <select class="assigned_to_id template" id="assigned_to_id_options">
       <option value=""> </option>
-      <% @project.members.each do |member| %>
+      <% @project.assignable_users.each do |member| %>
         <option value="<%= member.user_id %>" color="<%= member.user.backlogs_preference(:task_color) %>">
           <%= member.name %>
         </option>