Fix an ordering problem with the haproxy config not getting set up properly
Bump default redis version to current
Fix for sentinel() function being deprecated in the redis library, where "deprecated" is defined as "crippled and logging a warning where it's not shown by default" :( https://github.com/andymccurdy/redis-py/commit/6a55935205666d9461ab26205da7f2d5f18a78d0#commitcomment-7245329
Version bump to prep release