[DW20 1.7.10] Add Ghostwood Saplings to Shop

[scitor]

Hello,

I'd like to suggest Ghostwood Saplings (253:4) for the admin shop, on the Direwolf20 1.7.10 Server.

Since they seem to be bugged in the version we use, so they don't spawn in nether like thet should.

Checkout this issue: https://github.com/progwml6/Natura/issues/192 (we seem to have an older version)

- scitor