gui → eventchannel Relation

File in engine/core/gui	Includes file in engine/core/eventchannel
fifechan / fifechanmanager.cpp	key / ec_key.h
fifechan / fifechanmanager.cpp	key / ec_keyevent.h
fifechan / fifechanmanager.cpp	mouse / ec_mouseevent.h
fifechan / fifechanmanager.h	sdl / ec_isdleventlistener.h
guimanager.h	sdl / ec_isdleventlistener.h