Merge branch '4.3.4' of https://gitlab.com/trinitycore/TrinityCore_434 into 4.3.4

# Conflicts:
#	src/server/game/AI/SmartScripts/SmartScript.cpp
#	src/server/game/Skills/Archaeology/ArchaeologySites.cpp
#	src/server/scripts/Spells/spell_mage.cpp

src/server/game/AI/SmartScripts/SmartScriptMgr.cpp

@@ -453,6 +453,7 @@ SmartScriptHolder& SmartAIMgr::FindLinkedEvent(SmartAIEventList& list, uint32 li
         case SMART_EVENT_IS_BEHIND_TARGET:
         case SMART_EVENT_INSTANCE_PLAYER_ENTER:
         case SMART_EVENT_TRANSPORT_ADDCREATURE:
+        case SMART_EVENT_DATA_SET:
             return true;
         default:
             return false;