Update item_db.txt

Defense increases
* Increased the defense of the leather trousers from 5 to 7
* Increased the defense of the black boots from 3 to 4
Merge pull request #1 from pydsigner/patch-1

Update item_db.txt
Fixed duplicate NPC in Malivox.
Merge branch 'master' of https://github.com/Pihro/lof-eathena-data
Added black mamba armor for testing
Merge https://github.com/themanaworld/tmwa-server-data

Conflicts:
	client-data
	world/map/npc/021-1/npcs.txt
Fixed a merging issue.
Fixed some problems.
Added night world.
Updated maps.
Changed spawns and some mob stats.
Removed crusades helmet reference from silversmith.
Added An Episode Part 1.
Added time to dark conc potion.
Edited times on dark conc potion.
Merge https://github.com/themanaworld/tmwa-server-data

Conflicts:
	client-data
	world/map/db/mob_db.txt
Removed exotictrader.txt from imports.
Fixed fafidragon spawn.
Added some items to shops and updated mobs/items.
Fixed the delitem in Cerhan.txt