Test with stuff + Forestry potential support

BM_src/forestry/api/arboriculture/ITreeMutation.java

@@ -0,0 +1,28 @@
+package forestry.api.arboriculture;
+
+import net.minecraft.world.World;
+import forestry.api.genetics.IAllele;
+import forestry.api.genetics.IGenome;
+import forestry.api.genetics.IMutation;
+import forestry.api.genetics.ISpeciesRoot;
+
+public interface ITreeMutation extends IMutation {
+	
+	/**
+	 * @return {@link ISpeciesRoot} this mutation is associated with.
+	 */
+	ITreeRoot getRoot();
+	
+	/**
+	 * @param world
+	 * @param x
+	 * @param y
+	 * @param z
+	 * @param allele0
+	 * @param allele1
+	 * @param genome0
+	 * @param genome1
+	 * @return float representing the chance for mutation to occur. note that this is 0 - 100 based, since it was an integer previously!
+	 */
+	float getChance(World world, int x, int y, int z, IAllele allele0, IAllele allele1, IGenome genome0, IGenome genome1);
+}