The proper way to use gradle is to actually use the gradle.properties. It will be automatically read without using a self defined config slurper.
The gradle.properties adds additional convenient options e.g. regarding the VM options and parallel calculation or daemons
Split off logic into single responsibilities for storing, initializing and matching the UUID mappings. Added JUnit to create tests for the UUID Matcher to see if its legit. It tests against simple problems like unconform UUIDs and also tests against a valid UUID.
Added temporary(!) API dependencies, will resolved via Maven later on
Added mcmod.info
Added pack.mcmeta template
Added hacked BC jar to use facades indev
Split build logic into several pieces
Update gitignore
Modify build.gradle to match changes