When the branch-end detection changes in
I7b309b549a90eb30d6c2206caef83996557ecd4b merge the history page will no
longer show the full release notes. Update the page to show the notes
for unreleased changes as well as everything on master.
Change-Id: Idf177e7e61da552334b596009ef12b06a523436c
Signed-off-by: Doug Hellmann <doug@doughellmann.com>
4dd403d39d