All packet creating methods now create Packet instead of byte[]

This commit got way too big...
- Remove deprecated methods for sending packets
- Favor OutPacket & Packet over MaplePacketLittleEndianWriter, LittleEndianWriter, and byte array
- Split up some packet creating methods into separate classes

src/main/java/client/command/commands/gm0/DisposeCommand.java

@@ -38,7 +38,7 @@ public class DisposeCommand extends Command {
     public void execute(MapleClient c, String[] params) {
         NPCScriptManager.getInstance().dispose(c);
         QuestScriptManager.getInstance().dispose(c);
-        c.announce(PacketCreator.enableActions());
+        c.sendPacket(PacketCreator.enableActions());
         c.removeClickedNPC();
         c.getPlayer().message("You've been disposed.");
     }

src/main/java/client/command/commands/gm0/RanksCommand.java

@@ -27,7 +27,7 @@ import client.MapleCharacter;
 import client.MapleClient;
 import client.command.Command;
 import net.server.Server;
-import tools.PacketCreator;
+import net.server.guild.GuildPackets;
 import tools.Pair;
 
 import java.util.List;
@@ -42,6 +42,6 @@ public class RanksCommand extends Command {
         MapleCharacter player = c.getPlayer();
         
         List<Pair<String, Integer>> worldRanking = Server.getInstance().getWorldPlayerRanking(player.getWorld());
-        player.announce(PacketCreator.showPlayerRanks(9010000, worldRanking));
+        player.sendPacket(GuildPackets.showPlayerRanks(9010000, worldRanking));
     }
 }