Fog fix, Engine update, and improvements

v0.8.04
-Update to game engine version.
-Most gpu fog artifact fixed by new game engine version.
-Setup button prompt feedback to right side of screen for conversation window.
-Button Prompt menu readability improvements.
-Increased Boat Tusk sell value.
-Update to Bow logic to work better while mounted on the rudder of a Hawk boat.
-Improved NPC look-at-logic to react better in close combat when standing behind them.
-Improved Titan-Hammer range.
-Fixed a rare situation in online games where saving could take longer than expected.
-Fixed a spawn issue with some islands in online that would only happen after a pre-gen process and only the first time.
-Update to pig poop to improve network physics lod logic
-Setup logic to check if the player position save file is outside of the world and to put it at a safe location.