Release of v2.18d

Changelog (v2.18d): -Fixed Bug : clients don't follow host when diving -Gameplay: remove breach (except Oxygen) -Network: decrease quantity of information shared through network -Pilot: right click = fuel boost; left click = dive -Network: improve performance by cleaning non-useful data sync -Level: 1st level better show the way with the whale -Level: 1st level: message "way back impossible" to explain we can't go back to main base -Fixed Bug: Hovered seat on bridge is wrong