Core/Threading: Fixed lock type used in HashMapHolder::Insert - a write lock is needed there, not a read lock
Core/Waypoints: Allow the table waypoint_data to use Takeoff and Land waypoints.
Core/PreparedStatements: Fixed a change I missed in the World prepared statements for waypoints.
Core/DBLayer: Fixed possible crashes with async queries retrieving result

Closes #12655
Added comments to 6961f957c9d03bff634f0b75466458564845722e to make sure noone decides that storing the result in a variable is unneccessary
DB/Waypoints: Add Pathing for Garadar Wolf Riders in Nagrand
DB/Creature Formations: Fix formation error in last commit.
Core/Network: Refactored socket code, moved common operations to base Socket class
Fixed gcc build
DB/SAI: Azuremyst Isle Scripts

Script Turn in events for 

* Medicinal Purpose
* An Alternative Alternative
* Rune Covered Tablet

Script repeating event for "Cookie" McWeaksauce
DB/Misc: Fix some startup errors
DB/Waypoints: Pathing for Murkblood Invaders in Nagrand
Merge branch 'master' of github.com:TrinityCore/TrinityCore into 4.3.4

Conflicts:
	src/server/authserver/Server/AuthSession.cpp
	src/server/game/Server/WorldSocket.cpp
	src/server/game/Server/WorldSocket.h