Test with stuff + Forestry potential support

BM_src/forestry/api/world/IWorldGenInterface.java

@@ -0,0 +1,17 @@
+package forestry.api.world;
+
+import net.minecraft.world.gen.feature.WorldGenerator;
+
+public interface IWorldGenInterface {
+
+	/**
+	 * Retrieves generators for trees identified by a given string.
+	 * 
+	 * Returned generator classes take an {@link ITreeGenData} in the constructor.
+	 * 
+	 * @param ident
+	 *            Unique identifier for tree type. Forestry's convention is 'treeSpecies', i.e. 'treeBaobab', 'treeSequoia'.
+	 * @return All generators matching the given ident.
+	 */
+	Class<? extends WorldGenerator>[] getTreeGenerators(String ident);
+}