Merge pull request #560 from kbrock/queue_wait

update proper use of wait_for_task

Author: Fryguy

ui/queue_wait.md

@@ -51,8 +51,8 @@ When the task is finished, the `:action` passed in is called with the original p
 
 ```
  def create_finished
- task_id = session[:async][:params][:task_id]
- tenant_name = session[:async][:params][:name]
+ task_id = params[:task_id]
+ tenant_name = params[:name]
  task = MiqTask.find(task_id)
  if MiqTask.status_ok?(task.status)
  add_flash(_("%{model} \"%{name}\" created") % {