Overall dispersion reduction

Total ammo+gun reduction of 14
Made perception and Dexterity no longer display 0 as a "bonus"
Update NPC targeting confidence function
Syntax fix
Solve merge conflicts
Extend rebalance to new weapons/ammo
Now use left alt to input alt+number because AltGr is right alt in sdl.
Sun/Moon position instead of precise time for people without a watch.
fixed blade trap problem
Added a wristwatch. If worn show exact time, otherwise only show the current position of the sun/moon.
Added wristwatch to itemgroups.
Add folding bicycle to a few spawn groups.
Add construction recipe for folding bicycle.
Drop folding bicycle box items on ground when folding bicycle.
Merge Accuracy rebalance, AltGr fix, and Blade trap placement fix.
Merge remote-tracking branch 'dda/pr/2076' into dda-master
Convert a manual check for watch flag to use a handy helper method.
Set minimum number of turns between autosave to 1 to prevent div/0 error. Fixes #1922.
Serialize flags and passenger_id members of vehicle components.
Allow saving while in a vehicle. Fixes #2064