RFR: Section on release notes [v2]

[Jesper Wilhelmsson]

> The meat of the procedure here was inspired by Daniel Fuchs' comment in JDK-8273727.
> [[JDK-8273727] (prop) Canonical property storage - Java Bug System](https://bugs.openjdk.java.net/browse/JDK-8273727?focusedCommentId=14448738&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14448738)

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

  Fixes after reviews from David and Lance

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

Changes:
  - all: https://git.openjdk.java.net/guide/pull/75/files
  - new: https://git.openjdk.java.net/guide/pull/75/files/4d4c3fd8..5c03f29e

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=guide&pr=75&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=guide&pr=75&range=00-01

  Stats: 14 lines in 1 file changed: 2 ins; 0 del; 12 mod
  Patch: https://git.openjdk.java.net/guide/pull/75.diff
  Fetch: git fetch https://git.openjdk.java.net/guide pull/75/head:pull/75

PR: https://git.openjdk.java.net/guide/pull/75