[0830] Removed duplicate Midsummer bonefire in Ironforge

* Removed duplicate Midsummer bonefires in Ironforge. Also fixed the
model used
Thanks 249CAAFE40 for pointing. This closes #659
[0831] Added missing NPCs 12797 & 12798 in Orgrimmar

* Added missing NPC 12797 (Grunt Korf) and 12798 (Grunt Bek'rah) in
Orgrimmar
* Added missing equipment
Source: UDB
[0832] Fixed equipment for NPC 5124, 5669 and 12098

* Added missing equipment to NPC 5124 (Sognar Cliffbeard) in Ironforge
Thanks Tobschinski for reporting. This closes #660
* Fixed equipment of NPC 5669 (Helena Atwood ) in Undercity
Thanks Tobschinski for reporting and X-Savior and Grz3s for their help.
* Fixed wrong equipment item model in [0646]. Thanks Tobschinski for
pointing.