Add a way to reload the config while the server is on. Basically this class:
https://github.com/hoqhuuep/IslandCraft/blob/master/IslandCraft-Core/src/main/java/com/github/hoqhuuep/islandcraft/bukkit/BiomeGeneratorListener.java

Other than this issue, everything seems to be working very well so far:
http://i.imgur.com/2FqyMg2.jpg

There's the plot info for one of the islands. You can regenerate the island, sell it, etc. Anything you could normally do with PlotSquared.