option: Interface option for centered menu scrolling.
uimenu: Scrollbar place indicator for large scrolling lists.
Scroll indicator: No hiding, actually apply color option
Remove the vhtype_id enum; vehicles are now referenced by name.
Documentation update.
Fix dispersion comparisons
Stop underwater weather effects
Add power armor acid rain protection effects
Merge remote branch 'origin/master' into scrolling_option_and_indicator
uimenu: scrollbar has better position calculation, consistent size >= 2.
Formatting tweak
cleanup
Increase ketchup spoilage time
-changed "throw_from_seat": Passengers aren´t thrown from the seat when there´s a seatbelt.
-fixed a bug in a json file
Add separate ID field to vehicles.json to facilitate i18n.
Lower enc layering penalties
Reduced chewing gum frequency, except on military drops.
small change
Added tracking of squares walked, and fixed memorial entries not loading.
Converted vehicle IDs to lowercase with underscores.
Made the custom vehicle come with a frame, rather than installing it with a hardcoded function call.