RFR: 8298382: JavaFX ChartArea Accessibility Reader

[Alexander Zuev]

Change the underlying class XYChart to take into account labels for axes. Make label patterns and default axes labels localized.

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Commit messages:
 - Fixed the properties file copyright year
 - Merge branch 'master' into JDK-8298382
 - 8298382: JavaFX ChartArea Accessibility Reader

Changes: https://git.openjdk.org/jfx/pull/1016/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1016&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8298382
  Stats: 100 lines in 3 files changed: 93 ins; 0 del; 7 mod
  Patch: https://git.openjdk.org/jfx/pull/1016.diff
  Fetch: git fetch https://git.openjdk.org/jfx pull/1016/head:pull/1016

PR: https://git.openjdk.org/jfx/pull/1016