DB/Misc: Fix startup errors
Rename 2014_09_28_00_world_conversion.sql to 2014_09_28_00_world.sql
Buildsystem/MSVC: Removed /SAFESEH linker option from x86 debug builds as it doesn't make sense in debug builds and interferes with Edit and Continue

Closes #13233
WorldServer/Misc: Log possible errors on shutdown

Log possible error on shutdown happening when trying to cancel any I/O sync operation in CliThread, refers to #13201
Core/GameObjects: Fixed uninitialized elevator period value
Core/AH: Fix Auction House items not deleted from database

Fix some cases where Auction House items were not deleted from item_instance table of character database, for example if the owner didn't exist anymore or if the owner was the AHBot.

Updates #12699
Updates #13232
DB/Gossips: Localized talents gossips by assigning them to their BroadcastTextID

* Closes #12546
DB/Gossips: Added a missing one from 8983fbba531ac732ca48b9b78d85b2858eee67fd
DB/Quest: Fix more locales on 3.3.5a
DB/Gossips: Added some more assignation to their proper BroadcastTextID
Core/Scripts: fixed memory leak caused by unassigned scripts in db
Core/Scripts: Fix invalid memory write

Fix invalid memory write caused by calling "delete this;" in a base class constructor.
DB/Misc: The Green Hills of Stranglethorn (3.3.5)

Script replacement of misplaced chapters if player is rewarded for quest which rewards chapter but does not have item and has not turned in quest 338.
Core/SAI: Addet new error log for SMART_ACTION_CAST kill credit invalid target
Core/LootMgr: Fix wrong bit fields padding
Core/LootMgr: Fix GCC warning
Revert "Core/AuctionHouse: Delete expired auctions at startup."

This reverts commit a92038feaf440abe797ee4b0344612b6176e43a8 which caused items of expired auctions not being mailed back to the owner and leaving those items in item_instance table.

Please refer to the forum for steps to verify the integrity of your database and remove old unneeded rows in item_instance table.

Fixes #12699
DB/Brewfest: Convert some brewfest for alliance:
- Fix Quest "There and Back Again" (for Alliance-side)
- Fix Quest "Now This is Ram Racing... Almost." (for Alliance-side)
DB/Brewfest: Convert some brewfest for alliance:
- Fix Quest "Bark for the Barleybrews!" (for Alliance-side)
- Fix Quest "Bark for the Thunderbrews!" (for Alliance-side)
Core/Brewfest: Added texts for quest "Bark for the Thunderbrews!" / "Bark for the Barleybrews!"