chat/Message -> network/serializable/Message
fixed the eventFilter bug on drawinglayer
fixed a bug where the tools wouldn't draw on the correct layer
fixed a bug where you could add multiple tokens out of the grid's limit
Client -> SwitchClient + Server -> SwitchServer
refacto Receiver&Sender
Merge branch 'master' into mapNetwork

Conflicts:
	src/Canvas/Layers/GridLayer.cpp
	src/MainWindow.cpp
	src/MainWindow.h
	src/Network/ClientReceiver.h
	src/Network/SwitchClient.cpp
	src/Network/SwitchClient.h
	src/Network/SwitchServer.cpp
	src/jdrnix.pro
sendPacketToList and reverted GridLayer behaviour (the actions must be done locally and then broadcasted to everyone)
removeFoW behaviour reverted : the FoW is also removed locally
load map, bglayer, maplayer, fowlayer, drawinglayer from DBItem + partial openMapAction