Core: Trigger OnSave hook for PlayerScript on all save events
Core/Scripts: New ItemScript trigger, OnItemRemove
DB/Spells: Fix Thunderclap bugging Infected Wounds

By untaught. Closes #6291.
Update 2014_03_09_00_world_spell_group.sql
Merge pull request #11666 from kontownik/scripting_project

Core/Scripts: Introduce ItemScript::OnItemRemove, called when an Item is actually destroyed.
Update Player.cpp

Dont trigger save hook on player create
Merge pull request #11627 from Rochet2/OnPlayerSave

Core/Players: Call sScriptMgr::OnPlayerSave inside Player::SaveToDB rather than before calling it.
Merge remote-tracking branch 'trinitycore/master'