Scripts/Kelthuzad: move spells into spelldifficulty_dbc and cleanup
Core/Chat: Fix AddonMessaging and logging
TW Prevent Living Bomb combat bug

Final explosion of Living Bomb will no longer put the caster or target(s) in combat
Merge pull request #14 from Unholychick/patch-2

TW Prevent Living Bomb combat bug
Fix SPELL_AURA_MOD_AOE_AVOIDANCE

There is not a single spell using this aura, but now it works :)
Merge pull request #11849 from Unholychick/master

Fix SPELL_AURA_MOD_AOE_AVOIDANCE
Core/Movement: Fix LoS issue of NPCs chasing targets

Add Line of Sight checks to WorldObject::GetNearPoint(), fixing to TargetedMovementGenerator not reaching a point with valid LoS to the target and MotionMaster::MoveKnockbackFrom() knocking creatures inside walls.
Remove unused code.
.cheat god should also affect on falling damage.
Fix SPELL_DAMAGE_CLASS_NONE unable to crit

Corrected logic mistake where switch fallthrough was intended (or should have been).
Fixes the following.
// Earth Shield
// Lifebloom Final Bloom
// Divine Hymn
// Item - Bauble of True Blood 10m
// Item - Bauble of True Blood 25m
Merge pull request #11858 from Dimitro/master

.cheat god command should also affect on falling damage.
Merge pull request #11857 from Unholychick/master

Core/Spells: Fix SPELL_DAMAGE_CLASS_NONE unable to crit
Core/Logging: store loggers in cache correctly
Merge pull request #11840 from Rochet2/AddonMessaging

Core/Chat: Fix AddonMessaging and logging
Core/CrashHandler: Log GetLastError() id if no description is found

Log the System Error id returned by GetLastError() in case FormatMessage() doesn't find a proper description for that message.
Core/ChatLog: handle chatlog options with extended logging system
Fix Sweeping Strikes damage
Merge pull request #11847 from trickerer/SS

Core/Spells: Fixed Sweeping Strikes damage
Scripts/Ruby Sanctum: Fixed Onyx Flamecallers not aggroing players once pathing ended.
[TW279] - Core/Battlegrounds: Increase AV frequency

Allows AV to start if last BG was at least 13v13. Also prevents starting a second AB, EotS or SotA. AV will start instead.
Scripts/Ruby Sanctum: Fixed Halion engaging combat outside of his Flame Ring.