Remove all the code for extra fields since that is now in core and not needed, alter the description and title of the module. Leave some helper functions and permissions to do things like handle php code used to set values in the D6 version.

#699066 by litwol and chx : add meta data to the 'referenceable nodes / users' queries for easier tracking

  Also see #518596 How to render a single field group.

#488542 - Tie Field UI pages to any fieldable entity - matches the core commit http://drupal.org/cvs?commit=235608