Fixes bug 988604 - Removed async replication mode in elasticsearch indexing.
fixes bug 984940 - Reports with no comments show as "undefined", r=espressive
fixes 989055 - django rate limiting should honor x-forwarded-for, r=rhelmer
Merge pull request #1976 from peterbe/bug-989055-django-rate-limiting-should-honor-x-forwarded-for-header-2

fixes bug 989055 - django rate limiting should honor x-forwarded-for
Merge pull request #1969 from AdrianGaudebert/988604-remove-async-indexing

Fixes bug 988604 - Removed async replication mode in elasticsearch indexing.