RFR: 8156: JfrRulesReport.printReport does not respect verbosity for text and json

[Marcus Hirt]

The xslt files had not been updated to conform with the updated xml format.

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Commit messages:
 - Fixing copyright years
 - 8156: Fixing xslt templates

Changes: https://git.openjdk.org/jmc/pull/540/files
 Webrev: https://webrevs.openjdk.org/?repo=jmc&pr=540&range=00
  Issue: https://bugs.openjdk.org/browse/JMC-8156
  Stats: 31 lines in 3 files changed: 13 ins; 0 del; 18 mod
  Patch: https://git.openjdk.org/jmc/pull/540.diff
  Fetch: git fetch https://git.openjdk.org/jmc.git pull/540/head:pull/540

PR: https://git.openjdk.org/jmc/pull/540