PARQUET-1496: Update Scala to 2.12#693

Merged

nandorKollar merged 3 commits intoapache:masterfrom

Fokko:fd-bump-scrooge

Oct 25, 2019

Commits on Oct 15, 2019

PARQUET-1496: Update Scala to 2.12
Fokko
committed

Commits on Oct 18, 2019