4418,Add media descriptions to newforms widgets,russellm,russellm,"
At present, there is no easy way to:
1. identify what media is required to display a form
1. identify and eliminate any duplicate media requirements, e.g., a base css file required by two different widgets on a form.
It involves adding a meta-class to Widget that processes a 'Media' inner class; this inner class is turned into a 'Media' object. Media objects can be printed (yielding and