nail: new package added (heirloom-mailx)

Signed-off-by: Dmitry V. Zimin <pfzim@mail.ru>
tdb: new package added

Signed-off-by: Dmitry V. Zimin <pfzim@mail.ru>
mpack: new package added

Signed-off-by: Dmitry V. Zimin <pfzim@mail.ru>