[2881] Add support for Tribute Run loot modes in Dire Maul
[2882] Add support for Executioner loot modes in Shattered Halls

Also make quests 9524 and 9525 completable
[2883] Improve previous commit

Thanks to everyone for the feedback provided
[2884] Fix crash for Brutallus

Thanks Azelen for the feedback

Close #60
[2885] Proper implement script for Zum'rah - Zul'Farrak

Conflicts:
	scripts/kalimdor/zulfarrak/zulfarrak.h
[2886] Some small improvements to Zum'Rah

* Rename a function to fit better to needs
* Alter behaviour to work properly in case a grave is looted while the enocunter is in progress
* Do not use currently looted graves by Zum'Rah
[sd2_mr0587] change tempsummon type for Uther (HOR). not fix problem, but true.