New MVC GSOC 2014

https://groups.google.com/forum/#!topic/joomla-dev-cms/AH6piuw2IR0

http://gwilson.org/index.php/new-mvc
I think we should not hard-code the plugin group to content. For my custom component, I would import my custom plugin group instead of content plugin group to process the event.

So maybe we should allow the model to define the plugin group it wants instead of hardcode it to content ?