Check for trusted desktop file launchers.

2009-02-24  Alexander Larsson  <alexl@redhat.com>

        * libnautilus-private/nautilus-directory-async.c:
	Check for trusted desktop file launchers.

        * libnautilus-private/nautilus-file-private.h:
        * libnautilus-private/nautilus-file.c:
        * libnautilus-private/nautilus-file.h:
        Add nautilus_file_is_trusted_link.
	Allow unsetting of custom display name.

        * libnautilus-private/nautilus-mime-actions.c:
	Display dialog when trying to launch a non-trusted desktop file.



svn path=/trunk/; revision=15003