Hats & luggage pricing

Movin' on up through armor.json.

Made some judgment calls on the hats because (for instance) a top hat
can go for anywhere from $10 to $278 depending on material, maker, and
whether we want a peacock feather in it.

(SUPER_FANCY argues for the feather.)
Up through berets

Movin' on up.
Nomex in progress

Gonna PR these; still moving.
Firefighter gear priced

Moving the sticks...
Hats here!

Wanna buy a hat?
through glasses

OK, as good a stopping point as any.  Optical glasses were derived from
2-for-X pricing, midgrade.
Merge pull request #7811 from KA101/pricecheck

Armor.json, price check