Copy netatalk package from old repository

Signed-off-by: W. Michael Petullo <mike@flyn.org>
netatalk: depend on attr

Signed-off-by: W. Michael Petullo <mike@flyn.org>
Merge pull request #165 from MikePetullo/netatalk

Copy netatalk package from old repository and update
freeradius2: disable PKG_CHECK_FORMAT_SECURITY

Signed-off-by: Etienne CHAMPETIER <champetier.etienne@gmail.com>