Fixes bug 1000159 - Update forced versions for correlations for Firefox cycle starting 2014-04-29
Fixes bug 913039 - Added a cron job to delete old elasticsearch indices. r=peterbe,phrawzty
Fixes bug 999066 - Ensured all elasticsearch indices are removed after tests run.
Merge pull request #2026 from KaiRo-at/master

Bug 1000159 - Update forced versions for correlations for Firefox cycle starting 2014-04-29
Fixes bug 1003483 - r=peterbe