RFR: More information on fix version usage [v3]

[Jesper Wilhelmsson]

> Added more information on how to set fix version when closing an issue.
> Also fixed some broken links.

Jesper Wilhelmsson has updated the pull request incrementally with one additional commit since the last revision:

  Fixes after review

-------------

Changes:
  - all: https://git.openjdk.org/guide/pull/128/files
  - new: https://git.openjdk.org/guide/pull/128/files/b7a8bb5f..14a857ac

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=guide&pr=128&range=02
 - incr: https://webrevs.openjdk.org/?repo=guide&pr=128&range=01-02

  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/guide/pull/128.diff
  Fetch: git fetch https://git.openjdk.org/guide.git pull/128/head:pull/128

PR: https://git.openjdk.org/guide/pull/128