Scripts/Onyxia Lair: Slight change so we don't call Reset() in the 'ctor
Core/Creature: Implement CREATURE_FLAG_EXTRA_IGNORE_PATHFINDING
Merge commit 'a2ba49afa428ed9297f98bf8a5e00f6f7a6f4c3a' into 4.3.4
Core/Creature: added HealthModifierExtra value to creature_template

Requested by @Malcrom
Merge branch '4.3.4' of https://github.com/TrinityCore/TrinityCore into 4.3.4