AVALANCHE: Repair writing off the boundaries in loadPictureGraphic().
AVALANCHE: Rework GraphicManager::loadPictureSign().
VOYEUR: Remove useless variable in synchronize
FULLPIPE: Implement sceneHandler09_cycleHangers()
FULLPIPE: Implement sceneHandler09_limitHangerPhase()
FULLPIPE: Fix compilation
VOYEUR: Remove some useless variables
VOYEUR: Remove some useless variables in Event, cleanup
VOYEUR: Start cleaning FILES