Changed doomed's Dark Vision to only add damage bonus inside Creeping Darkness

Changed hate lost per turn (slower at higher levels of hate, faster at lower levels)
Fixed some line of sight issues with doomed's Feed
Added cursed Strife talent tree
Added doomed Primal Magic talent tree
Added cursed/doomed Fateful Aura talent tree
Improved a few cursed/doomed particle effects for smaller tiles
Balance adjustments in cursed/doomed trees
Fixed NPC "The Mouth" to support pinning correctly


git-svn-id: http://svn.net-core.org/repos/t-engine4@3831 51575b47-30f0-44d4-a5cc-537603b46e54