* Rename Gson fields in some classes to GSON
* Name some methods in RecipesProvider
Also a param fix in InventoryChangedCriterion's constructor.
* Rename field in LootTablesProvider
* Rename some methods in AbstractTagProvider
* Name some methods in AdventureTabAdvancementGenerator
* Rename some fields and methods for BlockLootTableGenerator
* Rename some fields and methods in EntityToolTableGenerator and EntityType
* Rename fields in FishingLootTableGenerator
These were loot condition constants checking for biomes.
* Rename fields and methods in HusbandryTabAdvancementGenerator
* method_10422 -> RecipesProvider.requireEnteringFluid
* Rename parameters to SnbtProvider.CompressedData
* Rename some fields and methods in NbtProvider
* method_10422 -> ItemListProvider#toJson
* NEED_ and REQUIRE_ -> NEEDS
* Remove 'loot table' and 'block' in BlockLootTableGenerator method names
Suggested by liach.
* Fix names in EntityLootTableGenerator to align with standards
Shnupbups