Even more bugs squashed

Major changes:

1. Fix enemy units intersecting each other
2. Enemy shields now block projectiles much more consistently
3. Fixed dungeon reflection probes.
4. Fix bugs related to villages going under siege, previously villages would not fall while under seige
5. Tune ring / amulet costs: Ring +2: 400 (200 per point). Ring +4: 400 (200*1.5 per point). Ring +6: 400 (200*2 per point). Special ring: Prior two. Amulet + 3: (200 per point). Amulet + 6: (200*1.5 per point). Amulet + 9: (200*2 per point). Special Amulet: Prior two
6. Farms now cost more to build initially, but cost less upkeep. This way it's a more tactical investment since most of the cost is upfront

Minor changes:

1. Pitchfork farmer increase knockdown power
2. Updated Altar dungeon prefab lighting
3. Dungeon tile pool Increase thickness of second story floor to prevent archer from spawning under the floor
4. Fix enemy melee units not attacking when using a long range attack and the opponent is on steep stairs
5. Add logging for when I encountered the player's fall velocity going super high
6. Fix ranged units sometimes not attacking when the target is partially obsucred because Unity physics raycasts is unreliable
7. Replace reflection probes added ad-hoc to the scene with the DunGenReflectionProbe.prefab
8. Camera: Change background color to fog color from lighting panel / other settings / fog, and clear flags to solid color - Camera: Change background color to fog color from lighting panel / other settings / fog, and clear flags to solid color
9. Fix bug: MeditateStreaks.mat shader renders black. Reassigned Particles/Additive. Tested in Dungeon and LinearMission2.
10. Fix avatar footsteps audio level, was too low
11. Fix dungeon camera distance, 100 to 125 so you don't clip the fog
12. Fix Dungeon Vases not being destroyable
13. Fix characters running up the sides of trees on the forest map
14. Fix sawmill on forest map and reduce memory usage
15. Fix dead character floating in the air sometimes and not registering as dead
16. Rebake many dungeon rooms and move Aura 2 to ultra setting only. Some users appear to have very low framerate with Aura 2 active
17. Fix SetParticleSystemDefaults applied to prefab accidently
18. Smooth damp campaign map icons even while paused from dialogue
19. Projectiles now provide a slight physical push to objects
20. Improve blood splatters: Disable specular highlights (they look like bad photoshop bevels). Reset scale of DeathHitHumanBlood to 1, so it is not as over-compensating.
21. Fix particles using fog-incompatible non-standard shaders on avatar meditate prefab "Streaks".
22. Fix massive fps hit from water Culling. Water is no longer reaching to the horizon, is instead restricted to the large pool space in the bridge area.