RFR: 7377: Update master to 8.2

[Marcus Hirt]

Also updating splash.

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Commit messages:
 - 7377: Update master to 8.2

Changes: https://git.openjdk.java.net/jmc/pull/298/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jmc&pr=298&range=00
  Issue: https://bugs.openjdk.java.net/browse/JMC-7377
  Stats: 209 lines in 144 files changed: 1 ins; 3 del; 205 mod
  Patch: https://git.openjdk.java.net/jmc/pull/298.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/298/head:pull/298

PR: https://git.openjdk.java.net/jmc/pull/298