[jfx14] [Rev 02] RFR: 8228867: Fix mistakes in FX API docs

[Nir Lisker]

> Docs fixes for OpenJFX 14. We can wait with integrating this in case there are last minute fixes, but reviews can start.

The pull request has been updated with 2 additional commits.

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Added commits:
 - 6ef5518c: Revert copyright year change
 - 200ac8c3: Revert extra }

Changes:
  - all: https://git.openjdk.java.net/jfx/pull/110/files
  - new: https://git.openjdk.java.net/jfx/pull/110/files/75d34b85..6ef5518c

Webrevs:
 - full: https://webrevs.openjdk.java.net/jfx/110/webrev.02
 - incr: https://webrevs.openjdk.java.net/jfx/110/webrev.01-02

  Stats: 5 lines in 1 file changed: 2 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jfx/pull/110.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/110/head:pull/110

PR: https://git.openjdk.java.net/jfx/pull/110