Fix coughing message
Set minimum smoke duration needed for coughing

Also cleaned up some logic in the cough function.
Lowered the amount wood boosts a fire.
Slow down rate at which wood burns for more controllable fires.
Giving rolling papers to the professions that start with weed.

Cause that's just cruel to give them a bag of grass but no means of
smoking it.
Hockey Mask!
Hockey stick!
Add an option to adjust city size.
Optional query is optional (soldering)
Tiles builds need the gfx dir
Merge branch 'pr/2767'
Adding sports jersey.
Fix mon_at cache problems (#2756, #2759).
Merge PR #2764 - City size
Merge PR #2764 - Smokin fixes
Fixes missing spawns for some of the caseless weapons.
Fix remove_zombie() for dead zombies.

mon_at() returns -1 if the zombie exists in the map but is dead. This was
causing a dead zombie's z_at entry to persist (and then point at a
different, still-living zombie).
Merge some bugfixes.
Fix 5.7mm guns producing nones instead of casings.
Merge sports equipment.