Scripts/HallsOfLightning: Implement Loken's intro speech and rewrite boss script to EventMaps/BossAI
Scripts/MountHyjal: Kill warning
Merge pull request #13698 from mthsena/3.3.5

Scripts/MountHyjal: Kill warning
DB/SAI: Ulduar Scripts

* Non repeating event between High Explorer Dellorah and Lore Keeper of Norgannon
* Repeating event between Kirin Tor Battle-Mage and Hired Engineer at first teleporter
Fix screwup I made when adding broadcast text

Fix an error I made when adding broadcast text had been too used to adding this as extra field as never used to be output by wpp even though is still 0 the field is output now for creature text.
Scripts/Naxxramas:

* Implement dialogue after Sapphiron dies.
* Spawn missing triggers at Kel'Thuzad's room.
* Implement a couple of missing texts and emotes to Kel'Thuzad's fight.
Scripts/HallsOfLightning: Readd a safe-measure line to remove Loken's aura
Merge pull request #6 from TrinityCore/3.3.5

3.3.5