mozilla/socorro — pull request #2054 by twobraids (2014-05-14 17:55:28+00:00)
Title: Fixes bug 1010353 - Middleware roles

this PR refactors the middleware so that the storage classes are not hard coded into the middleware_app itself. The "prefix" system for associating services with implementations has been replaced with a "role" system instead. Overrides are done by specifying the namespace in which an alternative implementation resides rather than the name of a implementation