Suppressed deprecation warnings for use of getPlayer(), which is deprecated because of the new Minecraft UUID system. Since we are not storing user information and are only using player names to have Herobrine interact, getPlayer() will serve our purposes just fine.

src/org/jakub1221/herobrineai/AI/cores/Heads.java

@@ -25,6 +25,7 @@ public class Heads extends Core {
 		headList = new ArrayList<Block>();
 	}
 
+	@SuppressWarnings("deprecation")
 	@Override
 	public CoreResult callCore(final Object[] data) {
 		if (isCalled) {

src/org/jakub1221/herobrineai/AI/cores/Totem.java

@@ -22,6 +22,7 @@ public class Totem extends Core {
 		return TotemCall((Location) data[0], (String) data[1]);
 	}
 
+	@SuppressWarnings("deprecation")
 	public CoreResult TotemCall(final Location loc, final String caller) {
 		AICore.isTotemCalled = false;
 		loc.getWorld().strikeLightning(loc);

src/org/jakub1221/herobrineai/commands/CmdExecutor.java

@@ -25,6 +25,7 @@ public class CmdExecutor implements CommandExecutor {
 		log = HerobrineAI.log;
 	}
 
+	@SuppressWarnings("deprecation")
 	@Override
 	public boolean onCommand(final CommandSender sender, final Command cmd, final String commandLabel, final String[] args) {
 		if (sender instanceof Player) {