Updates until test date on GLAIR machine

Week 7.1-7.7
[X]- time counter should count from starting the game (exclude info
entry) - 7/4
[X]- can should not be flying on the air if loading table not there -
7/4
[X]- change pressing animation to make the presses fill up with mats -
7/1
[X]- change corresponding questions in quiz - 7/1
[ ]- add left-handed option (inverse joysticks) and pitch direction
(inverse pitch)
[X]- improve map resolution (Illustrator) - 7/4
[X]- add sounds to machines (boiler, engine, mill, oilPump, laval) - 7/6
[X]- add splash screen
[X]- display alert on loading table when the pulp from a mill is ready
[add loader/tank-empty state] - 7/6