Update list #81

Key fragments after disenchantment are now automatically stored to inventory if the loot window was closed.
If you registered for several arenas/battlegrounds and you were called to one of them, then the registration for all the others will be cancelled.
Invisibility mechanic reworked - now it is similar to the mechanic in official server.
Fixed Golem Guardian's behavior on some boss phases.
Speeded up first phase of Kael'thas Sunstrider in Magisters' Terrace.