Bukkit/CraftBukkit — pull request #793 by imjake9 (2012-06-13 07:19:49+00:00)
Title: Makes the world seed modifiable. Implements BUKKIT-1793.

This adds a `setSeed(long)` method to the `CraftWorld` class to allow plugins to modify a world's seed directly through the API.

Link to ticket:
https://bukkit.atlassian.net/browse/BUKKIT-1793