Running 'make maps' to update monster spawns on 017-1.

This also changed the _import.txt of 008-1 to order the entries alphabetically.
Update submodule pointer.
Add Silksheet(891) to item_db
Add NPC Hetchel(376) to 021-1
Modify NPC Lora Tay to accept silk sheets (010-2)
Add missing closing " and ; in Hetchel script.
Merge branch 'test'