Add Lua functions to save/get mission variables

Add team selection in training page and basic check mark support

Attempt to allow building video recording in pas2c mode, currently fails parsing

if a script is set, feature size can generate different maps

Same with ShoppaMap

fix DiagonalMaze after the drawing scaling change, add some params since ginormous maze is kinda entertaining

Apply rustfmt to all files

Start database interaction implementation

Rope training: Simplify final challenge, remove mines

Rope training: Show hint after destroying barrels

Make various stunts in flying saucer training easier

Movement training: Show damage message only after passing certain point

Show mission panel key as permanent caption in movement training

Fix incorrect text for sidNoEndTurn in en.txt Text applies to utility only, its used for weapons, too.

Add language-neutral version of Trainings.png

Update changelog

Backed out changeset f791c46b47a4 This changeset broke chat display in demos

Update changelog and README

Start first turn in ACF5 even faster

ACF3: Fix weapons being disabled in first turn

Faster switch to correct hog in ACF5

Fix incorrect message in ASA death01

Set internal version to 1.0.0-dev

Append -dev to version string if built in non-release mode

Fix minor mistake in credits

Colorize people names in About screen

Merge recent Rust changes

Add nicknames in credits

Adopt physfs-rs lib and adapt it to recent std library, remove global mutex

Add more maps and theme credits in credits.csv