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/net/server/channel/handlers/GiveFameHandler.java

@@ -57,7 +57,7 @@ public final class GiveFameHandler extends AbstractMaplePacketHandler {
                 player.message("Could not process the request, since this character currently has the minimum/maximum level of fame.");
             }
         } else {
-            c.announce(PacketCreator.giveFameErrorResponse(status == FameStatus.NOT_TODAY ? 3 : 4));
+            c.sendPacket(PacketCreator.giveFameErrorResponse(status == FameStatus.NOT_TODAY ? 3 : 4));
         }
     }
 }