Revert "Revert "Début des évènements du menu""

This reverts commit 7fa5fabf951de9eb92de8a3855672d302b4dbe15.

Conflicts:
	theoremi/bin/Debug/theoremi.exe
	theoremi/include.h
	theoremi/main.cpp
	theoremi/menu.cpp
	theoremi/menu.h
	theoremi/oquiserventarien/Debug/main.o
	theoremi/theoremi.depend