DB/SAI: Strengthen the Ancients addition

Fixes #10778
Core: Fix non PCH build
DB/SAI: War is Hell

Fixes #3915, By Vincent_Michael
Core/Groups: Allow to configure the way in which instance reset message is sent, to the whole party (not blizzlike) or not.

Signed-off-by: Machiavelli <machiavelli.trinity@gmail.com>
Core/Command: Fixing .account password to no longer crash

And add some comments to it.
Merge pull request #10792 from Ascathor/master

Core/Command: Fixing .account password to no longer crash
Fix build
Scripts/Ruby Sanctum: (Possibly) fixed Twilight Mending.

I don't have the computer to even compile a core, please report back. My logics shouldn't be wrong here from what I can read on the wiki.

Ref #10016.