- slightly extended message catalog - fixed localization in context bar - added new context variable ctx_id used for permission checking. This optional variable allows to specify category clients to provide am object, on which permissions are checked for adding categories. This has the advantage that package_admin could be allowed this way to add categories without needing explicit rights on the categories package.
change ad_verify_and_get_user_id to ad_conn user_id, change ad_maybe_redirect_for_registration to auth::require_login, make some db_ and dt_ function -public