Added blocking() function to ScriptPlayer to check whether the player is blocking.

src/main/java/noppes/npcs/scripted/entity/ScriptPlayer.java

@@ -400,4 +400,8 @@ public class ScriptPlayer<T extends EntityPlayerMP> extends ScriptLivingBase<T>
 		}
 		return null;
 	}
+
+	public boolean blocking() {
+		return player.isBlocking();
+	}
 }