[mr2622] Implement spells 26373, 26374
SD2 update
[mr2623] rework SocialMgr on ObjectGuid usage instead of uint32
[12349] Implement DBScript support for 'on creature death' events

This can be helpful to implement epilogue events for various quests or dungeon encounters
remove forget alias from Util.h
[mr2624] use G3D for calculate distance in WorldLocation class chain. use this method in unit position notification. TESTING!
[mr2625] use WorldLocation in CreatureCreatePos.
Update src/game/WorldLocation.cpp

Fix something?
Merge pull request #1306 from xarly/patch-1

Update src/game/WorldLocation.cpp
Just fixing some warnings
[mr2626] Calendar: small improvements
Merge pull request #1307 from xarly/temp

Just fixing some warnings
More warning fixes
Merge pull request #1308 from xarly/temp

More warning fixes
Small fix
[mr2627] Fix broken teleport stunned player.

For example, ICC teleporter.
[mr2628] Improve instance entrance finder.testing
[mr2629] Fix spell 26373, 26448. thx to Zakamurite
* use right teleport spell 26448 - "Holiday - Teleport: Moonglade"
* fix target in 26448 via spell_dbc - set TARGET_SELF instead of wrong TARGET_DUELVSPLAYER
* remove processing 26374 - already fixed in spell_dbc
[mr2630] Fix randomly invisible creatures after mr2625
[mr2631] use whitespaces instead of Tabs + initialize m_flags in constructor