Move BitSetHelper out of the packets package.

It is not a packet.
Rename GuiArgumentPacket and LogisticPipesPacket.

In order to make it fit in with the other packets.
Move all packets to a new "old" package.

This will allow me to migrate them one by one.
Prepare the system for conversion.
Fix a flaw with inner classes in packets.
Add abstract CoordinatesPacket.
Use generics to avoid casting.
Add lombok.
Use getters and setters instead of a constructor.
Add more generics to CoordinatesPacket.
Add util methods to PacketHandler.
Stop using BC packets.

They don't adapt to our needs.
Fix loading derps.
Convert CPipeNextSatellite to the new system.
Remove useless generics from ModernPacket.

Never worked the way I wanted.
Make more vars in "network" final.
Merge remote-tracking branch 'remotes/GUIpsp/network-refactor' into Dev