debian: switch to xz, brings down package size from 4 MiB to 1 MiB
debian: switch to xz, brings down package size from 4 MiB to 1 MiB

lamby/dcs,lamby/dcs,jamessan/dcs,lamby/dcs,jamessan/dcs,jamessan/dcs,jamessan/dcs,lamby/dcs