Added implementation of Colorable to CraftSheep

inspired by xpansive

src/main/java/org/bukkit/craftbukkit/entity/CraftSheep.java

@@ -2,6 +2,7 @@ package org.bukkit.craftbukkit.entity;
 
 import net.minecraft.server.EntitySheep;
 
+import org.bukkit.DyeColor;
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.entity.Sheep;
 
@@ -16,4 +17,14 @@ public class CraftSheep extends CraftAnimals implements Sheep {
         return "CraftSheep";
     }
 
+    public DyeColor getColor() {
+        EntitySheep entity = (EntitySheep) getHandle();
+        return DyeColor.getByData((byte) entity.e_());
+    }
+
+    public void setColor(DyeColor color) {
+        EntitySheep entity = (EntitySheep) getHandle();
+        entity.a(color.getData());
+    }
+
 }