WxW: Don't register wall touch if not gstHHDriven

WxW: Hide crate radar when no active hog

WxW: If walls are disabled, spawn crate between turns

Battalion: Properly spawn crate between turns

New callback: onCaseDrop (called when engine MIGHT drop a crate)

Clean up Sudden Death messages and animations in Battalion - Remove SD warning (redundant with engine) - Play poison moan sounds - Hide damage tag if no damage

Don't show hog health in gfInvulnerable mode

Fix map preview not matching actual map

Computer hog no longer walks into player-placed mines if >= 90% duds

Fix floating pixels if wielding and rotating cleaver

Update changelog

Fix health crate health display not respecting Karma value properly

Update health crate tooltips in missions with fake health crates

Hide health of fake health crates

Don't show SMine timer if drowning