DB/Misc: Argent Tournament Scripts

Scripts Hourly Events for

* Tirion welcoming King Varian Wrynn and Lady Jaina Proudmore at 00:10 each hour
* Tirion welcoming Thrall and Garrosh Hellscream at 00:55 each hour
* Tirions speech to combatants at 00:40 each hour

OOC texts for Broxel Goldgrasp
Quest complete script for the seers crystal
Core/AuctionHouse: Fix issues reported by Coverity
Merge branch 'master' of github.com:TrinityCore/TrinityCore into 4.3.4