Merge pull request #16 from LeResKP/develop

Make the tests running and working
Fix test
Also get first the hint for the relation fields.
Add FactoryWidget which is used to pass parameters to the widget choosed by the factory
Be able to display HTML in the view if get_tws_view_text function is defined on the object. We don't want to poluate __unicode__ with some HTML.
Sort all the relation properties