text: DynamicForm
  ===========
  
  DynamicForm holds a few helpers method to help you deal with your models, they are:
  
  * input(record, method, options = {})
  * form(record, options = {})
  * error_message_on(object, method, options={})
  * error_messages_for(record, options={})
  
  It also adds f.error_messages and f.error_messages_on to your form builders.
  
  Copyright (c) 2010 David Heinemeier Hansson, released under the MIT license
  