player.cpp: [Fix] Player slider does not reset when starting a new song (#1)

The timer and slider were not reset to 0 when the previous song was
stopped.
New configuration file for cppcheck
cppcheck error corrected
Merge remote-tracking branch 'origin/alex/wip'

Conflicts:
	bddphys.cpp
	ongletphys.cpp
	util.h
sauvegarde travail