Coregen

b652bf7: Fix lake generator printf
4230504: Remove jar classifier
e741845: Update gradle build to accept version from command line
c8ca6cb: Introduce underwater y-level selector; clean up logic in surface
e86a46f: Break out block state ID parser from WeightedBlockList
e227606: Add y-level checks when generating a random position
f20044e: Remove surface selection algo; can now use the y-level selector
72f71fa: Use new ydist interface for selecting a position
de7b318: Register the surface y-level selector
1dd7020: Add surface y-level selector; overhaul the YLevelDistribution interface
4dc158c: Removing unused cluster generator
c7943c2: Add 3rd dimension to lake generation
33f429b: Adding Simple noise utility
b45a17f: Adding first crack at a lake generator
ee71d9c: Adding vein generator
c83ba8d: Update included scripts to use new generate/3 function
17cd9f4: Expose blocks and world to scripting features
a831b74: Overhaul ScriptFeature to call generate function within the script, instead of eval'ing whole script every time
b941349: Checkpoint
85a6ac9: Adding base scripts
f18ee23: Introduce Y-Level distributions, biome and dimensions restrictions, etc.
3d0e576: Remove logging function and clean up imports
05ea495: Introduce block clearing command
2038127: Clean up imports on ScriptUtil
be17191: Introduce Y-level generator
b060d37: Improving seam generation
f1b6f9b: Lots of work