Adding patch notes from git, UI, and loading files from the main install path properly.

Also fixed:
* flying wands not pathing properly.
* Lantern particles offset
* Wand fire offset
* Water spray from flask

shaders/particle_req.comp

@@ -33,6 +33,13 @@ void main() {
         if (old == 0u) { ext[ci] = vec2(0.0); birth[ci] = birth_frame(); }
         else if ((r.c.w & 2u) == 0u && (mflags(cell_mat(old)) & (F_GAS | F_LIQUID)) != 0u && (mflags(cell_mat(old)) & (F_STATIC | F_SAND)) == 0u && atomicCompSwap(cells[ci], old, nc) == old) { ext[ci] = vec2(0.0); birth[ci] = birth_frame(); }
     }
+    else if (r.c.y == 7u) {   // PotionSystem 00bfdd10: mode 1, density zero, 20-cell penetration budget.
+        const int ps = alloc_part();
+        if (ps < 0) return;
+        fparts[ps].a = r.a;
+        fparts[ps].b = vec4(r.b.x, 1.0, uintBitsToFloat(birth_frame()), 0.0);
+        fparts[ps].c = uvec4(r.c.z | (((hash3(i, uint(pc.frame), 64u) >> 16) & 0xFFu) << 16), 1u, 20u, 0x300000u);
+    }
     else if (r.c.y == 6u) emit_displaced(r.a.xy, r.a.zw, r.c.z | (((hash3(i, uint(pc.frame), 64u) >> 16) & 0xFFu) << 16), 2u, birth_frame());   // GameCreateParticle (007b3120 -> 00716af0): a cell of the material handed to the particle system like a displaced one (AddAsParticle 007168c0): it falls and goes back into the grid, waiting for a free place
     else emit_material_particle(r.a.xy, r.a.zw, r.b.x, r.b.y, r.c.x, int(r.c.z));
 }