Scripts/Commands: Add optional reason to server shutdown/restart commands

Display a "reason" ingame in the server shutdown ingame messages
Fix multiple typos in the .server idlerestart/idleshutdown/restart/shutdown commands

Closes #2671
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 pull request #5 from TrinityCore/master

pull