owncloud/core — pull request #12418 by georgehrke (2014-11-25 14:45:29+00:00)
Title: delete old previews

ownCloud 7.0.3 still generated some cached previews with a rather bad naming schema. https://github.com/owncloud/core/pull/10639 was not backported, but it's now. (see https://github.com/owncloud/core/pull/12373).

needs backport

please review @karlitschek @MorrisJobke