Resource Data Pack Loader

Changelog:

• Terrain template enforcement and cascade fixes
• Allow specifying world terrain templates
• Land/sea entities are now possible
• Mod screen version fix
• Entity scaling fixes
• More custom entity attributes
• Update Howto and Readme
• Custom entity loot tables, and attribute fixes
• More entity options
• Customizable entities
• Tweak to village control
• Fix dungeons2 one more time...
• Customize MC structures
• Villages should have more controllable options
• Add in world specific block replacement
• Spilt world generator blocking in to types with an explicit list option
• Dungeons2 worldgen fix mixin
• Fix pack override of flat bedrock
• Fix item blocks not applying colors