Removed GetSelection since GetSelectedUnit exists

Also added GetSelectedPlayer to the method table.
Eluna add GetTarget for spell, command hook, Thread Lock
Eluna fix reload and other things
Merge branch 'master' of https://github.com/ElunaLuaEngine/Eluna-TC-Wotlk
Eluna remove obsolete sql
Eluna add logging
Added contrib/lua_scripts/eluna_globals.lua
Merge remote-tracking branch 'eluna/master' into patches+eluna