Update power use descriptions for zone specific world-artifacts, boss, quest, and special artifacts.

Updated handling of weapon special effects to pass the special effect field to the object code (facilitates handling multiple effects within object definitions).

Blighted Maul's on hit shockwave will not hit the primary target.

Wintertide's winter storm effect will expand in size to match its effect.
Updated the icestorm particles effect to accept radius and density parameters (this might benefit from some more tweaking).

Reduced the number of mental effects the Wintertide Phial will remove.

The Crystal Focus can now be applied to shields (updates the special_combat fields appropriately).

Prox's Lucky Halfling Foot benefits from Charm Mastery.

Penitence cures a more reasonable (few) number of diseases.

Updated the DAMAGE_SHIELD definition to note damage reflection in its tooltip and show shield strength in it's icon.

Awakened Staff of Absorption gets a special damage message and death message for the player if he manages to kill himself with it.

buffed aeryn a bit to compensate

Changed Umbraphage's damage calculation to actually care about it's charge level (slight nerf).
Fixed a bug with Butcher that could cause its rampage not to activate on damage.  Now benefits from Charm Mastery.
Stormlash's AOE effect is correctly centered on the target, rather than the user.

DamageType.LITE now reduces the unlit value of grids with darkness if can't remove them. (Fixes a possible abusable bug with Umbraphage.)
Updated the tooltip for the Invisibility effect.

When the VO gets around, keeping rendering data will be significantly cheaper so things might change.

Resurrecting while standing on an an entity with on_move damage should no longer kill the player a second time