Prepare release notes (#964 is likely to merge)
Add missing fix
review 1.5.1 notes
Merge pull request #968 from basho/lp/review-1.5.1-release-notes

Release notes review for 1.5.1
Merge pull request #965 from basho/release-notes-1.5.1

Prepare release notes (#964 is likely to merge)

Reviewed-by: kuenishi