Test with stuff + Forestry potential support

BM_src/forestry/api/lepidopterology/IEntityButterfly.java

@@ -0,0 +1,23 @@
+package forestry.api.lepidopterology;
+
+import forestry.api.genetics.IIndividual;
+import net.minecraft.entity.EntityCreature;
+import net.minecraft.entity.passive.IAnimals;
+
+public interface IEntityButterfly extends IAnimals {
+
+	void changeExhaustion(int change);
+
+	int getExhaustion();
+
+	IButterfly getButterfly();
+
+	/**
+	 * @return The entity as an EntityCreature to save casting.
+	 */
+	EntityCreature getEntity();
+
+	IIndividual getPollen();
+
+	void setPollen(IIndividual pollen);
+}