[mr2849] Fix crash when vehicle not creature and player's levitation after jump out from fly vehicle
[mr2850] Vehicle: fix passenger dismount from flying vehicle
[mr2851] Implement ejecting vehicle passenger on Unit level
[mr2852] Implement Eject Passenger spells
Fix misapprehension in mr2851
[mr2853] Use Eject Passenger spells in EventAI for NPC 33687. Fix Quest 13812.
typo
[mr2854] Fix ApplyPercentModFloatXXX

picked from TC, author Warpten. modified and found bug in one more place.

hehe, very old bug, present in my oldest mangos archives (3.2.2)

touches modifications:
scaling
threat
weapon attack time
cast time
[mr2855] Restore ApplyPercentModFloatXXX algorithm (apply / unapply)

thx to Shauren for pointing
[mr2856] Added IGNORE to INSERT query on CMangos 12522 to avoid error on duplicate record.
[mr2857] Add steps in CalendarMgr::LoadFromDB(). Remove redundant var in Unit.h

author Den.
[mr2858] Fix searching for nearest creatures/gameobjects

BUG: if we have a few objects, returned first with the smallest guid, but not the closest.
This fixed many quests.
[mr2859] Small improvement for achievements save

Move out sqlStatements from loop.
[mr2860] Update utf8 library to latest release 2.3.4

Tested, works fine.
Merge https://github.com/mangosR2/mangos into SPP
Merge branch 'SPP' of https://github.com/conan513/SingleCore into playerbotai