#766734 Restructure multigroup field layout to be consistent with other fieldgroups, and use content_get_nested_elements() to grab the right values no matter how the fields are structured.

#849420 Additional tweaks to nested fieldgroups so they work even if nested inside fieldsets not created by CCK. Also makes it possible to nest multigroups inside groups/fieldsets that are vertical tabs, so long as the multigroup itself is not a vertical tab.

#849420 by Roberto Gerola, rconstantine, thekevinday, ericduran, KarenS Add ability to nest fieldgroups within other fieldgroups.

#863226 by KarenS, make sure we have a function that will return inactive instances when other instances of the same field are still active.

- #640488 warning: max() [function.max]: Array must contain at least one element in content.module on line 1044.

- #550252 by GuyPaddock - content_db_index_exists produces SQL errors when creating node reference fields for MySQL 4 (related to #231453).

- #531662 by neochief - i18n support. Allow external modules to translate field labels, descriptions and allowed values list as typed in the field settings form.

- #231453 Allow fields index their columns. Implemented for reference value column in node and user reference fields. Needs update.php.

- #514452 Add new argument $node to content_access() to enhance the context for hook_field_access().

#441412 by jcnventura - Add 'Print' display context on 'Display fields' pages when book.module is enabled.

#414298 Rearranging panels includes files for consistency with views files and needs of panels module, per IRC conversation with Earl and Michelle.

#392476 Make sure CCK textarea fields in a View don't have a span wrapped around a block-level element.

#356158 by markus_petrux - Fix more (hopefully all ?) cases of bogus d-n-d reordering of 'pseudo-fields'.