#336174 Move actual field access check in content.module, with content_permission.module providing one permission-based implementation.

#339537 followup - fix upgrade function for db prefixes - make that a new update, to be sure everyone gets it properly.

+ abstract a few element validators

#339537 by markus_petrux: fix orphan fields in {content_group_fields} table when fields are removed.

#331995 Fix 'invalid argument for foreach' warning on nodes with inexistent type. (#327715 followup - content_types() *always* returns a non-array, so testing "if ($type =  content_types($foo))" is useless

#311912 Views integration: The many_to_one filters for fields with 'allowed values' gain should not replace the regular 'starts with'/'greater than' filters.

via the powerful l10n_server site http://forditas.mindworks.hu .

+ remove dead code in content.panels.inc

#320632 Content Copy: Make fields/groups checked for export by default + display the list in an overview table.

#297322 Views integration: display node title / user name for argument summaries with noderef / userref fields.

Updated German translation

#324610 Add Advanced help files for basic fields and hooks so they'll show up in the CCK advanced help documentation. Intended to be used as examples by other field modules for a way to add more field documentation.