Added bamboo to the non-2 high plant blocks

src/main/java/com/gmail/nossr50/skills/herbalism/HerbalismManager.java

@@ -178,7 +178,7 @@ public class HerbalismManager extends SkillManager {
     public boolean isOneBlockPlant(Material material) {
         return !(material == Material.CACTUS || material == Material.CHORUS_PLANT
                 || material == Material.SUGAR_CANE || material == Material.KELP_PLANT || material == Material.KELP
-                || material == Material.TALL_SEAGRASS || material == Material.TALL_GRASS);
+                || material == Material.TALL_SEAGRASS || material == Material.TALL_GRASS || material == Material.BAMBOO);
     }
 
     /**