Core/Spells: Fix shaman talent "Telluric Currents"
Core/PacketIO: Updated and enabled more LFG opcodes
Core/Spells: Fix shaman talent Focused Insight
Tools/Extractors: Fixed possible name issues (underscore instead of space) when attempting to extract M2 models from MPQ
Merge branch '4.3.4' of github.com:TrinityCore/TrinityCore into 4.3.4