cheap debug log
Added Logger class skeleton
added a tostring method for log
added header in log
map log to string
use log to log
added sprite name view in sql init file
added query to retrieve a sprite name
use sprite_name view to get sprite name
Logger is another switch connected to server that log after sending information
used logger for mapserver
moved log responsability to Logger class
return target when switching
fix Logger to have the right receiver when logging
added Log capability to Receiver
log only loggable receiver
fix logger which can now log something else than MapLog plus added a logStack
maked mapServer loggable
Merge branch 'Log'

Conflicts:
	src/Canvas/Network/MapServer.cpp
	src/Network/Receiver.cpp
	src/Network/Receiver.h
	src/Network/Switch.cpp
	src/Network/SwitchServer.cpp