Minecraft Upgrade

[!] if you're updating from 1.5, add Chocolate Fix and load your world in 1.5, then update the modpack while keeping Chocolate fix, otherwise you will get chunk walls.

- added Caves & Cliffs Backport.
- added Caves & Cliffs Backport Additions.
- added Nether's Delight.
- replaced Halogen with Helium, Magnesium and Sulfuric.
- added Tiny Skeleton.
- added Easy Magic.
- added Habitat.
- added Revamped Wolf.
- added Extra Boats.
- added Drippy Loading Screen.
- added Menu Companions.

- updated forge version to 36.2.20.
- replaced crystal caves with amethyst geodes.
- enabled biome themed dungeons.
- disabled Quark's deepslate in favor of the Caves & Cliff's deeplsalte.
- disabled skull pikes, use a brazier multi-block instead.
- disabled speleothems in the overworld.
- made creepers spawn creepies upon death.
- disabled mega caves.
- made shelves climbable.
- enabled amethyst arrows and copper lantern.
- added more compatibility data-packs between Repurposed Strucutres and other mods.
- changed packing tape texture.
- changed mysterious worm texture.
- added title screen loading sound.
- made pickarang recipe use copper instead of planks.
- made hopper recipe require copper and a sack instead of iron and a chest.
- added spyglass to starter kit instead of emeralds.
- made max enchanting level require 18 bookshelves.
- made enchanting tables and end crystals require amethyst in their recipes.
- added and modified few tips.

Don't forget to backup your world before updating.
Suggestions and issue reports are always welcome!