Cherry pick log4j updates into release/0.12
Original MRs: !78 (merged), !84 (merged), !85 (merged)
(cherry picked from commit 31209d5b)
Part of the #16 (closed) series
Edited by David Diederich
Original MRs: !78 (merged), !84 (merged), !85 (merged)
(cherry picked from commit 31209d5b)
Part of the #16 (closed) series