[2.0-alpha.3] Big update with big tools

• Registries no longer freeze
• Fixed world conversion when the folder name doesn't match the world name
• Added InitFinishedEvent
• Clock's dial animation now scales to the clock's texture size, fixing crash with some texturepacks
• Added an option to allow DataTracker sync of non-living entities at spawn
• Added metadata furnace fuel
• Removed redundant dependencies
• Introduced packet types, making custom networking faster and easier to use
• Introduced tools API, a flexible system for defining tool level inheritance and player's mining strength and effectiveness

Full Changelog: 2.0-alpha.2.3...2.0-alpha.3