Fixes: #10547
Adds warning for lava below

Granted, I've no idea why people blindly jump into strange places that overwrote the stairways, without any way of getting back up, but since they just keep doing it, I went ahead and added a safety check.
Fix display, inform player of offline turrets, list non-hardcoded fuels
Warn about offline turret system after configuration
Merge remote-tracking branches 'origin/pr/10568' and 'origin/pr/10572'

* origin/pr/10568:
  Adds warning for lava below

* origin/pr/10572:
  Warn about offline turret system after configuration
  Fix display, inform player of offline turrets, list non-hardcoded fuels
Fix for new item ahndling and tiles builds.
Restore highlighting of first inventory item on menu start.
Changed in wrong direction and changed amount
Removes 25% wind speed limit
Forgot to save the file :/
Fixed some window focus mistypes
More focus typos
Merge branch 'fix-vehicle-windchill' of https://github.com/desrik/Cataclysm-DDA into merge2
Merge branch 'i_at-overhaul' of https://github.com/kevingranade/Cataclysm-DDA into merge2
Eyecandy :)
Fixes doppler radar turbo 2000 [thingie...]
Merge branch 'fix-vehicle-windchill' of https://github.com/desrik/Cataclysm-DDA into merge2
add "UNSTABLE" to chainfences
Remove missing files from code::blocks project file.
Why did it change forward slashes to backslaches?