create default arc land destination
create default arc land destination

Signed-off-by: Arik Sosman <1a5d131848a166677cc209f94fa988cee9378c32@bitgo.com>

add another config property

Signed-off-by: Arik Sosman <1a5d131848a166677cc209f94fa988cee9378c32@bitgo.com>

BitGo/BitGoJS,BitGo/BitGoJS,BitGo/BitGoJS,BitGo/BitGoJS