* Core/Calendar: Add some additional validation when creating events
Allow only 30 player events and 100 guild events to be created.
Don't allow to create guild events if player is not in guild.
Send some more error messages to the client (not blizzlike errors but better than nothing).
* Core/Calendar: Add some additional validation/checks
Add guild id check in GetPlayerEvents().
Change error message in HandleCalendarCopyEvent() to be the same as in HandleCalendarAddEvent() when creating an event in the past.
* Core/Calendar: Add some additional validation/checks
Reduce the number of CMSG_CALENDAR_ADD_EVENT packets a seconds allowed from 10 to 3.
* Core/Calendar: Add some additional validation/checks
Implement 5 seconds cooldown between the creation of calendar events
* Core/Calendar: Add some additional validation/checks
Don't allow to copy events of a different player/guild
* Core/Calendar: Implement automatic deletion of old events
Implement automatic deletion of events older than 1 month (30 days).
Fix debug assertion triggered when deleting a character with calendar events.
Avoid double std::set lookup when deleting events when deleting a character.
NB: The whole CalendarMgr/CalendarHandler code should be checked line by line for bugs/crashes/exploits.
Add Line of Sight checks to ChaseMovementGenerator::Update(), fixing to ChaseMovementGenerator not reaching a point with valid LoS to the target.
Fix re-implements 8927a04253 after 2a84562dc8 partially removed it.
Fix#23724
Fix a crash in taxi paths happening when joining a battleground/dungeon while on a taxi path after second last node but close to last node, then leaving/finishing the battleground.
* Scripts/Outlands: Fix npc_ancestral_wolf not starting waypoint, and also add a way to not follow owner automatically in CreatureAI::JustAppeared() for tempsummons
* fix nopch
* Fix spell_area not checking for zoneID for quests
* Addendum to bdffe0a4a641414fe26c9b75b00f8e70ff0f1cb8
* Fix spell_area handle same spell with the same quests
Also fix not checking for quest_end at all.
* Addendum to 2d6b0545e3762b3a25005726d4093cf4a7945a8d
* Better commenting for 7a50189de3104f000d8b31fa6c415bb69cf1a3e7
* Addendum to 2d6b0545e3762b3a25005726d4093cf4a7945a8d
Giacomo Pozzoni