Server/Entities: Updated Item Container Sub Class & Bag Family Mask For Cooking Supplies.
Example: Portable Refrigerator (http://www.wowhead.com/item=92748)

Signed-off-by: AriDEV <aridev666@gmail.com>
Merge pull request #13468 from AriDEV/6.x

Server/Entities: Updated Item Container Sub Class & Bag Family Mask For ...
Core: Fix warnings, mostly wrong printf formatters
Core/Defines: Add CLASS_MONK to CLASSMASK_ALL_PLAYABLE

Closes #13469
Thanks @Noffear
Core: Even more warning fixes
SQL: Revert changes to dev/world_database.sql

This file should only be updated in TDB releases.
Fixes Travis 'build'
Core/Networking: PoC changes to the way packets are handled

This is a rewrite of the way we send SMSG opcodes, the reasoning behind this is to make fixing packets sent in multiple places easier, and allow for clearer documentation of the packet fields.

Included SMSG_AUTH_RESPONSE and SMSG_AUCTION_COMMAND_RESULT as two examples.