2008-04-09 Marcus Brinkmann <marcus@g10code.de>

• keylist.c (setup_columns): Change attribute of

GPA_KEYLIST_COLUMN_IMAGE from "pixbuf" to "stock-id".
(get_key_pixbuf): Change return type to const gchar * and return
stock item IDs.
(gpa_keylist_constructor): Set type of first column to
G_TYPE_STRING.
(setup_columns): Set stock-size property of RENDERER, and use the
stock-id property for that tree view column renderer.

• icons.c (xpms): Use stock IDs for secret and public key.

(register_stock_icons): Set fixed sizes for the secret and public
key icons.

• icons.h (GPA_STOCK_PUBLIC_KEY, GPA_STOCK_SECRET_KEY): New.