Core/Calendar: Fix typos
Core/Calendar: Update calendar to 4.3.4 and enable calendar related opcodes
Core/Currency: Add support of Conquest points cap for arena and bg
Remove obselete code for arena points distribution

Thanks to @Zakamurite
Misc: Whitespace and tabs cleanup
Merge pull request #8388 from horn/434_calendar

Core/Calendar: Update calendar to 4.3.4 and enable calendar related opcodes
Merge pull request #8389 from horn/calendar

Core/Calendar: Fix typos
Core/Dungeon Finder: Properly update Lfg Status (shouldn't lose 'eye' when changing maps or reconnect after disconnection)
- Also fixes removing Player data when it shouldn't... should solve some problems with players not getting reward in some cases
Core/Spells: Fix Soulshards creation, remove old code of glyph of Drain Soul. Closes #8341
Core/Arenas: Drop old .modify arenapoint command, create a new command to add currency to players.
DB/Misc: Fix typo in previous SQL file
Core/Channels: Remove unnecessary calls to FindPlayer wherever is possible
- Add better opcode debug messages
- Move isValidChatMessage debug messages to trace
Merge branch 'master' into 4.3.4

Conflicts:
	src/server/game/Chat/ChatLink.cpp
	src/server/game/Entities/Player/Player.cpp
	src/server/game/Handlers/ChannelHandler.cpp
	src/server/scripts/EasternKingdoms/hinterlands.cpp
Missing change from merge
Fix error in 32c259b1ce (broken chat)
Merge pull request #8374 from Huri/4.3.4

Core/Spells: Fixed Arcane Brilliance, Dalaran Brilliance, Power Word: Fo...
Core/Arenas: Update enum GroupJoinBattlegroundResult.
Closes #8391
Closes #8392
Fix wrong replacement in 32c259b1ce (Fixes a minor error msg)
Core/Network: Enable trace loggers for packet send and receive (just account + opcodeName, opcodeId)
Core/Achievements: Minor correction in Log msg
Closes #8396
Typo Fix :D