cck 6.x-3.0-alpha2

CCK 6.x-3.0-alpha2
==================

Features:
- #536260 by Agileware: Make "Add more values" button text themeable.

Bugfixes:
- Fix Use of undefined constant _add_new_group.
- Fix undefined index '#depth'.
- Fix warning: Creating default object from empty value in template_preprocess_content_display_overview_form() (line 134 of ..theme.inc).
- #1063338 by DeFr: Fix undefined indexes for FIELD_NAME_rendered and others.
- Fix undefined group name index in fieldgroup_nodeapi.
- #1053566 by DamienMcKenna: Fix undefined index errors in _fieldgroup_get_tree().
- #1081072 Must be able to save empty, non-required, multigroup, even if it contains required fields.
- #522564 Remove empty groups even if not marked 'remove'.
- Multigroup validation was defaulting to 'required' when created, should default to 'not required'.
- #1092044 Make sure all multigroup formats are preserved, even if not visible on the current tab.