mike:
	- blacksmithing cleanup
	- Fixed location of the Vendor: Arred... he's in The Exodar, not Thunder Bluff
Ressy:
	- Added Silkmaster Tsai in Valley of the Four Winds
mike:
	- Update the entry for "Heavy Scorpid Shoulders" in the Leatherworking db.. it was brought back to the game around like patch 5.0.4
	- Add a new mob to the mob db
John Pasula:
	- Both Northrend Inscription Research and Books of Mastery stuff can be learned by Scrolls of Wisdom.
Ressy:
	- Adding new trainer for Cooking, First Aid & Smelting
