Import Eluna MaNGOS Lua Engine

NOTE:
  *Not the last Version last Import Commit is "Eluna fix optional object args and clean up" Hash 8f8773b1babde10f4eed3ad19603e3ad2d1bdda2
  *Some things i thing need to fixed "Item Gossip?"

Signed-off-by: Salja <salja8840@gmail.com>
Eluna Fix SetFFA

Signed-off-by: Salja <salja8840@gmail.com>