These are some of the files/dirs (that you wouldn't want to check-in to
source-control) that I see after getting the gradle-build going:
# .gradle/
# core/KDFCTR.gen
# core/KDFDblPipelineCounter.gen
# core/KDFDblPipelineNoCounter.gen
# core/KDFFeedbackCounter.gen
# core/KDFFeedbackNoCounter.gen
# core/build/
# mail/build/
# pg/build/
# pkix/build/
# prov/build/