RFR: Merge jdk8u:master

[Andrew John Hughes]

Merge `jdk8u472-b08`

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Commit messages:
 - Merge jdk8u472-b08
 - 8360937: Enhance certificate handling
 - 8356294: Enhance Path Factories
 - 8352637: Enhance bytecode verification

The merge commit only contains trivial merges, so no merge-specific webrevs have been generated.

Changes: https://git.openjdk.org/shenandoah-jdk8u/pull/114/files
  Stats: 196 lines in 11 files changed: 157 ins; 8 del; 31 mod
  Patch: https://git.openjdk.org/shenandoah-jdk8u/pull/114.diff
  Fetch: git fetch https://git.openjdk.org/shenandoah-jdk8u.git pull/114/head:pull/114

PR: https://git.openjdk.org/shenandoah-jdk8u/pull/114