RFR: 4792: Stop using System.out/err.println and e.printStackTrace

[Jean-Philippe Bempel]

replaced by java.util.logging logging

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Commit messages:
 - 4792: Stop using System.out/err.println and e.printStackTrace

Changes: https://git.openjdk.java.net/jmc/pull/272/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jmc&pr=272&range=00
  Issue: https://bugs.openjdk.java.net/browse/JMC-4792
  Stats: 219 lines in 41 files changed: 97 ins; 13 del; 109 mod
  Patch: https://git.openjdk.java.net/jmc/pull/272.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/272/head:pull/272

PR: https://git.openjdk.java.net/jmc/pull/272