Complementary Shaders r5.1 Development Version 6 (Patreon)

Changes over r5.1_dev5:

- Improved labPBR/seuspbr reflection handling to look better balanced

- Improved parallax occlusion mapping to have more accurate shadowing

- Added "Less Fog Inside Lava or Snow" option replacing the lava-only one

- IntegratedPBR Changes:

  * Added emission to Glowstone Dust, Prismarine Crystal and End Crystal items (Iris only)

  * Added reflections to Minecarts

  * Added emission to powered Dragon Heads

  * Added reflections to Totem of Undying (Iris only)

  * Fixed Jack o'Lanterns looking too dark in some situations

- Fixed screen edges having dark artifacts

- Fixed disabling all waving settings causing most blocks to become darker

- Fixed Vanilla cloud style causing an error with some settings