Moved 'super unique undead' into rak'shor only (no more rotting titan in dreadfell)

Reduced drop rates on greater egos in tier one and two dungeons
Rewrote and rebalanced many egos
Removed many redundant egos
Added many new egos


git-svn-id: http://svn.net-core.org/repos/t-engine4@5695 51575b47-30f0-44d4-a5cc-537603b46e54